List of Alpha Tau Omega chapters

This is a list of Alpha Tau Omega chapters. Alpha Tau Omega is a men's fraternity in the United States.

Undergraduate chapters

Name	Chartered	Institution	Location	Status	Notes	Reference
000001 Alpha	September 11, 1865	Virginia Military Institute	Lexington, Virginia	Inactive	(Virginia Alpha)	[1] [2] [3] [4]
000002 Beta	November 18, 1865	Washington and Lee University	Lexington, Virginia	Inactive	(Virginia Beta)	[3] [4]
000004 Delta	November 25, 1868	University of Virginia	Charlottesville, Virginia	Active	(Virginia Delta)	[4]
000005 Epsilon	November 10, 1869	Roanoke College	Salem, Virginia	Inactive	(Virginia Epsilon)	[4] [1] [5]
000009 Iota	November 15, 1867	Union University	Jackson, Tennessee	Active	(Tennessee Iota)	[4] [1] [5]
000011 Lambda	November 17, 1868	Cumberland University	Lebanon, Tennessee	Inactive	(Tennessee Lambda)	[4] [1] [5]
000012 Mu	March 10, 1870	Kentucky Military Institute	Lyndon, Kentucky	Inactive	(Kentucky Mu)	[4] [1] [5]
000013 Nu	November 2, 1871	University of Nashville	Nashville, Tennessee	Inactive	(Tennessee Nu)	[4] [1] [5]
000014 Xi	March 30, 1872	Duke University	Trinity, North Carolina	Active	(North Carolina Xi) Founded at Trinity College	[4] [1] [5]
000015 Omicron	May 16, 1872	Bethel College	Russellville, Kentucky	Inactive	(Kentucky Omicron)	[4] [1] [5]
000016 Pi	October 18, 1872	University of Tennessee, Knoxville	Knoxville, Tennessee	Inactive	(Tennessee Pi) Founded at East Tennessee University	[4] [1] [5]
000017 Rho	December 12, 1872	Bethel Academy	Warrenton, Virginia	Inactive	(Virginia Rho) School closed	[4] [1] [5]
000019 Tau	April 8, 1881	University of Pennsylvania	Philadelphia, Pennsylvania	Active	(Pennsylvania Tau)	[4] [1] [5]
000020 Upsilon	November 6, 1874	George Washington University	Washington, D.C.	Inactive	(District of Columbia Upsilon) Founded at Columbian University	[4] [1] [5]
000024 Omega	August 1, 1877	University of the South	Sewanee, Tennessee	Inactive	(Tennessee Omega) Chapter closed in 2021	[4] [1] [5]
000101 Alpha Alpha	September 15, 1878	University of Richmond	Richmond, Virginia	Inactive	(Virginia Alpha Alpha) Founded at Richmond College	[4] [1] [5]
000102 Alpha Beta	November 14, 1878	University of Georgia	Athens, Georgia	Active	(Georgia Alpha Beta) Refounded in 2004	[4] [1] [5] [6]
000103 Alpha Gamma	1884	Central University	Richmond, Kentucky	Inactive	(Kentucky Alpha Gamma) School merged	[5]
000104 Alpha Delta	May 23, 1879	University of North Carolina	Chapel Hill, North Carolina	Active	(North Carolina Alpha Delta)	[4] [1] [5]
000105 Alpha Epsilon	December 18, 1879	Auburn University	Auburn, Alabama	Active	(Alabama Alpha Epsilon) Founded at Alabama Polytechnic Institute	[4] [1] [5]
000106 Alpha Zeta	November 27, 1880	Mercer University	Macon, Georgia	Active	(Georgia Alpha Zeta)	[4] [1] [5]
000107 Alpha Eta	April 7, 1881	Bingham's Military School	Mebane, North Carolina	Inactive	(North Carolina Alpha Eta)	[4] [1] [5]
000108 Alpha Theta	April 26, 1881	Emory University	Atlanta, Georgia	Active	(Georgia Alpha Theta)	[4] [1] [5]
000109 Alpha Iota	October 14, 1881	Muhlenberg College	Allentown, Pennsylvania	Active	(Pennsylvania Alpha Iota) Rechartered April 30, 2011	[4] [1] [5] [7]
000110 Alpha Kappa	October 15, 1881	Stevens Institute of Technology	Hoboken, New Jersey	Inactive	(New Jersey Alpha Kappa)	[4] [1] [5]
000111 Alpha Lambda	November 25, 1881	Columbia College	New York City	Inactive	(New York Alpha Lambda)	[4] [1] [5]
000112 Alpha Mu	November 21, 1881	Adrian College	Adrian, Michigan	Active	(Michigan Alpha Mu)	[4] [1] [5]
000113 Alpha Nu	February 14, 1882	University of Mount Union	Alliance, Ohio	Active	(Ohio Alpha Nu)	[4] [1] [5]
000114 Alpha Xi	March 28, 1882	University of Arkansas	Fayetteville, Arkansas	Inactive	(Arkansas Alpha Xi) Founded at Arkansas Industrial University	[4] [1] [5]
000115 Alpha Omicron	February 18, 1882	St. Lawrence University	Canton, New York	Active	(New York Alpha Omicron)	[4] [1] [5]
000116 Alpha Pi	March 12, 1882	Washington & Jefferson College	Washington, Pennsylvania	Active	(Pennsylvania Alpha Pi)	[4] [1] [5]
000117 Alpha Rho	February 20, 1882	Lehigh University	Bethlehem, Pennsylvania	Inactive	(Pennsylvania Alpha Rho)	[4] [1] [5]
000118 Alpha Sigma	October 11, 1882	Oregon State University	Corvallis, Oregon	Active	(Oregon Alpha Sigma) Founded at Oregon Agricultural College	[4] [1] [5]
000119 Alpha Tau	April 10, 1881	Rhodes College	Memphis, Tennessee	Active	(Tennessee Alpha Tau) Founded at Southwestern Presbyterian University	[4] [1] [5]
000120 Alpha Upsilon	June 27, 1882	Gettysburg College	Gettysburg, Pennsylvania	Active	(Pennsylvania Alpha Upsilon) Founded at Pennsylvania College	[4] [1] [5]
000121 Alpha Phi	November 25, 1883	University of South Carolina	Columbia, South Carolina	Active	(South Carolina Alpha Phi) Founded at South Carolina College	[4] [1] [5]
000122 Alpha Chi	January 1, 1883	The Citadel	Charleston, South Carolina	Inactive	(South Carolina Alpha Chi) Founded at Citadel Academy	[4] [1] [5]
000123 Alpha Psi	November 8, 1883	Wittenberg University	Springfield, Ohio	Inactive	(Ohio Alpha Psi) Founded at Wittenberg College	[4] [1] [5]
000124 Alpha Omega	February 26, 1884	University of Florida	Gainesville, Florida	Active	(Florida Alpha Omega)	[4] [1] [5]
000201 Beta Alpha	March 16, 1885	Simpson College	Indianola, Iowa	Active	(Iowa Beta Alpha)	[4] [1] [5]
000202 Beta Beta	March 28, 1885	Birmingham–Southern College	Birmingham, Alabama	Inactive	(Alabama Beta Beta) Founded at Southern University (Alabama) School closed in 2024.	[4] [1] [5]
000203 Beta Gamma	April 3, 1885	Massachusetts Institute of Technology	Cambridge, Massachusetts	Inactive	(Massachusetts Beta Gamma)	[4] [1] [5]
000204 Beta Delta	October 24, 1885	University of Alabama	Tuscaloosa, Alabama	Active	(Alabama Beta Delta)	[4] [1] [5]
000205 Beta Epsilon	March 4, 1887	Tulane University	New Orleans, Louisiana	Active	(Louisiana Beta Epsilon)	[4] [1] [5]
000206 Beta Zeta	April 19, 1887	University of Vermont	Burlington, Vermont	Inactive	(Vermont Beta Zeta)	[4] [1] [5]
000207 Beta Eta	October 6, 1887	Ohio Wesleyan University	Delaware, Ohio	Inactive	(Ohio Beta Eta)	[4] [1] [5]
000208 Beta Theta	November 11, 1887	Cornell University	Ithaca, New York	Inactive	(New York Beta Theta)	[4] [1] [5]
000209 Beta Iota	September 18, 1888	Georgia Institute of Technology	Atlanta, Georgia	Active	(Georgia Beta Iota) Founded as Georgia School of Technology	[4] [1] [5]
000210 Beta Kappa	January 17, 1888	Hillsdale College	Hillsdale, Michigan	Active	(Michigan Beta Kappa)	[4] [1] [5]
000211 Beta Lambda	December 8, 1888	University of Michigan	Ann Arbor, Michigan	Active	(Michigan Beta Lambda)	[4] [1] [5]
000212 Beta Mu	December 20, 1888	University of Wooster	Wooster, Ohio	Inactive	(Ohio Beta Mu)	[4] [1] [5]
000213 Beta Nu	December 9, 1888	Middle Georgia College	Milledgeville, Georgia	Inactive	(Georgia Beta Nu)	[4] [1] [5]
000214 Beta Xi	February 16, 1889	College of Charleston	Charleston, South Carolina	Active	(South Carolina Beta Xi) Rechartered March 19, 2016	[4] [1] [5]
000215 Beta Omicron	May 14, 1889	Albion College	Albion, Michigan	Active	(Michigan Beta Omicron)	[4] [1] [5]
000216 Beta Pi	October 19, 1889	Vanderbilt University	Nashville, Tennessee	Active	(Tennessee Beta Pi)	[4] [1] [5]
000217 Beta Rho	June 24, 1890	Marietta College	Marietta, Ohio	Active	(Ohio Beta Rho)	[4] [1] [5]
000218 Beta Sigma	October 30, 1890	Hampden-Sydney College	Hampden-Sydney, Virginia	Inactive	(Virginia Beta Sigma)	[4] [1] [5]
000219 Beta Tau	February 28, 1894	Union University	Jackson, Tennessee	Active	(Tennessee Beta Tau) Founded at Southwestern Baptist University	[4] [1] [5]
000220 Beta Upsilon	April 10, 1891	University of Maine	Orono, Maine	Active	(Maine Beta Upsilon)	[4] [1] [5]
000221 Beta Phi	May 2, 1891	Wofford College	Spartanburg, South Carolina	Inactive	(South Carolina Beta Phi)	[4] [1] [5]
000222 Beta Chi	May 8, 1891	Haverford College	Haverford, Pennsylvania	Inactive	(Pennsylvania Beta Chi)	[4] [1] [5]
000223 Beta Psi	December 21, 1891	Stanford University	Palo Alto, California	Inactive	(California Beta Psi)	[4] [1] [5]
000224 Beta Omega	May 6, 1892	Ohio State University	Columbus, Ohio	Active	(Ohio Beta Omega)	[4] [1] [5]
000301 Gamma Alpha	June 25, 1892	Colby University	Waterville, Maine	Inactive	(Maine Gamma Alpha)	[4] [1] [5]
000302 Gamma Beta	January 29, 1893	Tufts College	Medford, Massachusetts	Inactive	(Massachusetts Gamma Beta)	[4] [1] [5]
000303 Gamma Gamma	November 15, 1893	Rose–Hulman Institute of Technology	Terre Haute, Indiana	Active	(Indiana Gamma Gamma) Founded as Rose Polytechnic Institute	[4] [1] [5]
000304 Gamma Delta	September 21, 1894	Brown University	Providence, Rhode Island	Inactive	(Rhode Island Gamma Delta)	[4] [1] [5]
000305 Gamma Epsilon	March 12, 1895	Austin College	Sherman, Texas	Inactive	(Texas Gamma Epsilon)	[4] [1] [5]
000306 Gamma Zeta	March 16, 1895	University of Illinois at Urbana–Champaign	Urbana, Illinois	Active	(Illinois Gamma Zeta)	[4] [1] [5]
000307 Gamma Eta	1897	University of Texas at Austin	Austin, Texas	Inactive	(Texas Gamma Eta)	[1] [5]
000308 Gamma Theta	1897	University of Nebraska–Lincoln	Lincoln, Nebraska	Active	(Nebraska Gamma Theta)	[1] [5]
000309 Gamma Iota	April 10, 1900	University of California, Berkeley	Berkeley, California	Active	(California Gamma Iota)	[1] [5]
000310 Gamma Kappa	1901	Case Western Reserve University	Cleveland, Ohio	Inactive	(Ohio Gamma Kappa) Founded as Western Reserve University	[1] [5]
000311 Gamma Lambda	1901	University of Colorado	Boulder, Colorado	Active	(Colorado Gamma Lambda)	[1] [5]
000312 Gamma Mu	1901	University of Kansas	Lawrence, Kansas	Active	(Kansas Gamma Mu)	[1] [5]
000313 Gamma Nu	1902	University of Minnesota	Minneapolis, Minnesota	Active	(Minnesota Gamma Nu)	[1] [5]
000314 Gamma Xi	1904	University of Chicago	Chicago, Illinois	Inactive	(Illinois Gamma Xi)	[1] [5]
000315 Gamma Omicron	1904	Purdue University	West Lafayette, Indiana	Active	(Indiana Gamma Omicron)	[1] [5]
000316 Gamma Pi	1906	University of Washington	Seattle, Washington	Inactive	(Washington Gamma Pi)	[1] [5]
000317 Gamma Rho	1906	University of Missouri	Columbia, Missouri	Active	(Missouri Gamma Rho)	[1] [5]
000318 Gamma Sigma	1906	Worcester Polytechnic Institute	Worcester, Massachusetts	Active	(Massachusetts Gamma Sigma)	[1] [5]
000319 Gamma Tau	1907	University of Wisconsin	Madison, Wisconsin	Inactive	(Wisconsin Gamma Tau)	[1] [5]
000320 Gamma Upsilon	1908	Iowa State University	Ames, Iowa	Active	(Iowa Gamma Upsilon)	[1] [5]
000321 Gamma Phi	1910	University of Oregon	Eugene, Oregon	Active	(Oregon Gamma Phi)	[1] [5]
000322 Gamma Chi	1911	Washington State University	Pullman, Washington	Inactive	(Washington Gamma Chi)	[1] [5]
000323 Gamma Psi	1913	University of Wyoming	Laramie, Wyoming	Inactive	(Wyoming Gamma Psi)	[1] [5]
000324 Gamma Omega	1914	Pennsylvania State University	State College, Pennsylvania	Active	(Pennsylvania Gamma Omega)	[1] [5] [8]
000401 Delta Alpha	1915	Indiana University	Bloomington, Indiana	Inactive	(Indiana Delta Alpha)	[1] [5]
000402 Delta Beta	1915	University of Iowa	Iowa City, Iowa	Active	(Iowa Delta Beta)	[1] [5]
000403 Delta Gamma	1917	Colgate University	Hamilton, New York	Inactive	(New York Delta Gamma)	[1] [5]
000404 Delta Delta	1917	University of New Hampshire	Durham, New Hampshire	Colony	(New Hampshire Delta Delta) Founded as New Hampshire State College; Recolonized on November 18, 2016	[1] [5]
000405 Delta Epsilon	1918	Southern Methodist University	University Park, Texas	Inactive	(Texas Delta Epsilon)	[1] [5]
000406 Delta Zeta	1918	Washington University in St. Louis	St. Louis, Missouri	Inactive	(Missouri Delta Zeta)	[1] [5]
000407 Delta Eta	1920	Colorado State University	Ft. Collins, Colorado	Active	(Colorado Delta Eta)	[2] [5]
000408 Delta Theta	1920	Kansas State University	Manhattan, Kansas	Inactive	(Kansas Delta Theta)	[2] [5]
000409 Delta Iota	1921	University of Nevada, Reno	Reno, Nevada	Active	(Nevada Delta Iota)	[2] [5]
000410 Delta Kappa	1921	University of Oklahoma	Norman, Oklahoma	Active	(Oklahoma Delta Kappa)	[2] [5]
000411 Delta Lambda	1922	University of Cincinnati	Cincinnati, Ohio	Inactive	(Ohio Delta Lambda)	[2] [5]
000412 Delta Mu	1922	Rensselaer Polytechnic Institute	Troy, New York	Inactive	(New York Delta Mu)	[2] [5]
000413 Delta Nu	1922	University of North Dakota	Grand Forks, North Dakota	Active	(North Dakota Delta Nu)	[2] [5]
000414 Delta Xi	1923	University of Montana – Missoula	Missoula, Montana	Inactive	(Montana Delta Xi)	[2] [5]
000415 Delta Omicron	1923	Drake University	Des Moines, Iowa	Inactive	(Iowa Delta Omicron)	[2] [5]
000416 Delta Pi	1923	Carnegie Mellon University	Pittsburgh, Pennsylvania	Inactive	(Pennsylvania Delta Pi)	[2] [5]
000417 Delta Rho	1924	DePauw University	Greencastle, Indiana	Active	(Indiana Delta Rho)	[2] [5]
000418 Delta Sigma	1924	Dartmouth College	Hanover, New Hampshire	Inactive	(New Hampshire Delta Sigma)	[2] [5]
000419 Delta Tau	1925	University of Idaho	Moscow, Idaho	Inactive	(Idaho Delta Tau)	[2] [5]
000420 Delta Upsilon	1926	University of South Dakota	Vermillion, South Dakota	Inactive	(South Dakota Delta Upsilon)	[2] [5]
000421 Delta Phi	1926	Occidental College	Los Angeles	Inactive	(California Delta Phi)	[2] [5]
000422 Delta Chi	1926	University of California, Los Angeles	Los Angeles	Inactive	(California Delta Chi)	[2] [5]
000423 Delta Psi	1927	University of Mississippi	Oxford, Mississippi	Active	(Mississippi Delta Psi)	[2] [5]
000424 Delta Omega	1929	Bowdoin College	Brunswick, Maine	Inactive	(Maine Delta Omega)	[2] [5]
000501 Epsilon Alpha	1929	Colorado School of Mines	Golden, Colorado	Active	(Colorado Epsilon Alpha)	[2] [5]
000502 Epsilon Beta	1930	University of Arizona	Tucson, Arizona	Inactive	(Arizona Epsilon Beta)	[2] [5]
000503 Epsilon Gamma	1930	University of Maryland, College Park	College Park, Maryland	Active	(Maryland Epsilon Gamma)	[2] [5]
000504 Epsilon Delta	1931	North Dakota State University	Fargo, North Dakota	Active	(North Dakota Epsilon Delta)	[2] [5]
000505 Epsilon Epsilon	1937	Mississippi State University	Starkville, Mississippi	Active	(Mississippi Epsilon Epsilon)	[2] [5]
000506 Epsilon Zeta	1940	Louisiana State University	Baton Rouge, Louisiana	Active	(Louisiana Epsilon Zeta) Re-colonized in March 2017, Re-chartered on March 24th, 2018. Chapter Website	[2] [5]
000507 Epsilon Eta	1940	Michigan State University	East Lansing, Michigan	Inactive	(Michigan Epsilon Eta)	[2] [9]
000508 Epsilon Theta	1941	Baldwin–Wallace College	Berea, Ohio	Inactive	(Ohio Epsilon Theta)	[2] [5]
000509 Epsilon Iota	1943	American University	Washington, D.C.	Inactive	(District of Columbia Epsilon Iota) Local Epsilon Iota formed from former chapter [10]	[2] [5]
000510 Epsilon Kappa	1943	Bowling Green State University	Bowling Green, Ohio	Active	(Ohio Epsilon Kappa)	[2] [5]
000511 Epsilon Lambda	1944	University of Tulsa	Tulsa, Oklahoma	Inactive	(Oklahoma Epsilon Lambda)	[2] [5]
000512 Epsilon Mu	1947	Middlebury College	Middlebury, Vermont	Inactive	(Vermont Epsilon Mu)	[2] [5]
000513 Epsilon Nu	1947	Monmouth College	Monmouth, Illinois	Active	(Illinois Epsilon Nu)	[2] [5]
000514 Epsilon Xi	1947	Northwestern University	Evanston, Illinois	Inactive	(Illinois Epsilon Xi)	[2] [5]
000515 Epsilon Omicron	1947	Oklahoma State University–Stillwater	Stillwater, Oklahoma	Active	(Oklahoma Epsilon Omicron)	[2] [5]
000516 Epsilon Pi	1947	University of British Columbia	Vancouver, British Columbia	Inactive	(British Columbia Epsilon Pi)	[2] [5]
000517 Epsilon Rho	1949	University of Delaware	Newark, Delaware	Inactive	(Delaware Epsilon Rho)	[2] [5]
000518 Epsilon Sigma	1949	Florida State University	Tallahassee, Florida	Inactive	(Florida Epsilon Sigma)	[2] [5] [11]
000519 Epsilon Tau	1949	University of Utah	Salt Lake City, Utah	Active	(Utah Epsilon Tau)	[2] [5]
000520 Epsilon Upsilon	1949	University of Southern Mississippi	Hattiesburg, Mississippi	Active	(Mississippi Epsilon Upsilon)	[2] [5]
000521 Epsilon Phi	1950	Syracuse University	Syracuse, New York	Inactive	(New York Epsilon Phi)	[2] [5]
000522 Epsilon Chi	1950	San Jose State University	San Jose, California	Active	(California Epsilon Chi)	[2] [5]
000523 Epsilon Psi	1950	San Diego State University	San Diego	Inactive	(California Epsilon Psi)	[2] [5]
000524 Epsilon Omega	1951	Davidson College	Davidson, North Carolina	Inactive	(North Carolina Epsilon Omega)	[2] [5]
000601 Zeta Alpha	1950	Arizona State University	Tempe, Arizona	Inactive	(Arizona Zeta Alpha)	[2] [5]
000602 Zeta Beta	1951	University of Southern California	Los Angeles	Inactive	(California Zeta Beta)	[2] [5]
000603 Zeta Gamma	1951	University of Denver	Denver, Colorado	Inactive	(Colorado Zeta Gamma)	[2] [5]
000604 Zeta Delta	1952	Linfield College	McMinnville, Oregon	Inactive	(Oregon Zeta Delta)	[2] [5]
000605 Zeta Epsilon	1952	University of Miami	Coral Gables, Florida	Inactive	(Florida Zeta Epsilon)	[2] [5]
000606 Zeta Zeta	1953	Kent State University	Kent, Ohio	Active	(Ohio Zeta Zeta)	[2] [5]
000607 Zeta Eta	1953	Texas Tech University	Lubbock, Texas	Active	(Texas Zeta Eta)	[2] [5]
000608 Zeta Theta	1957	Lamar University	Beaumont, Texas	Active	(Texas Zeta Theta)	[2] [5]
000609 Zeta Iota	1958	Denison University	Granville, Ohio	Inactive	(Ohio Zeta Iota)	[2] [5]
000610 Zeta Kappa	1959	West Texas A&M University	Canyon, Texas	Active	(Texas Zeta Kappa)	[2] [5]
000611 Zeta Lambda	1959	Murray State University	Murray, Kentucky	Active	(Kentucky Zeta Lambda)	[2] [5]
000612 Zeta Mu	1960	Sam Houston State University	Huntsville, Texas	Active	(Texas Zeta Mu)	[2] [5]
000613 Zeta Nu	1962	University of Central Oklahoma	Edmond, Oklahoma	Active	(Oklahoma Zeta Nu)	[2] [5]
000614 Zeta Xi	1963	Kettering University	Flint, Michigan	Inactive	(Michigan Zeta Xi)	[2] [5]
000615 Zeta Omicron	1963	Indiana State University	Terre Haute, Indiana	Inactive	(Indiana Zeta Omicron)	[2] [5]
000616 Zeta Pi	1964	University of Tennessee at Martin	Martin, Tennessee	Inactive	(Tennessee Zeta Pi)	[2] [5]
000617 Zeta Rho	1965	University of Memphis	Memphis, Tennessee	Inactive	(Tennessee Zeta Rho)	[2] [5]
000618 Zeta Sigma	1965	Hamline University	Saint Paul, Minnesota	Inactive	(Minnesota Zeta Sigma)	[2] [5]
000619 Zeta Tau	1965	Old Dominion University	Norfolk, Virginia	Inactive	(Virginia Zeta Tau)	[2] [5]
000620 Zeta Upsilon	1966	University of Nebraska at Kearney	Kearney, Nebraska	Inactive	(Nebraska Zeta Upsilon)	[2] [5]
000621 Zeta Phi	1966	Texas A&M University–Kingsville	Kingsville, Texas	Inactive	(Texas Zeta Phi)	[2] [5]
000622 Zeta Chi	1966	Louisiana Tech University	Ruston, Louisiana	Inactive	(Louisiana Zeta Chi)	[2] [5]
000623 Zeta Psi	1967	Newberry College	Newberry, South Carolina	Inactive	(South Carolina Zeta Psi)	[2] [5]
000624 Zeta Omega	1967	Western Kentucky University	Bowling Green, Kentucky	Active	(Kentucky Zeta Omega)	[2] [5]
000701 Eta Alpha	1967	University of South Florida	Tampa, Florida	Inactive	(Florida Eta Alpha)	[2] [5]
000702 Eta Beta	1968	Georgia State University	Atlanta, Georgia	Active	(Georgia Eta Beta, Re-colonized in 2016, Re-chartered on November 10, 2018)	[2] [5]
000703 Eta Gamma	1968	Arkansas State University	Jonesboro, Arkansas	Active	(Arkansas Eta Gamma)	[2] [5]
000704 Eta Delta	1968	Minnesota State University, Mankato	Mankato, Minnesota	Inactive	(Minnesota Eta Delta)	[2] [5]
000705 Eta Epsilon	1968	University of Nevada, Las Vegas	Paradise, Nevada	Active	(Nevada Eta Epsilon)	[2] [5]
000706 Eta Zeta	1968	Georgia Southern University	Statesboro, Georgia	Active	(Georgia Eta Zeta)	[2] [5]
000707 Eta Eta	1968	Athens State University	Athens, Alabama	Inactive	(Georgia Eta Eta)	[2] [5]
000708 Eta Theta	1969	Jacksonville State University	Jacksonville, Alabama	Active	(Alabama Eta Theta)	[2] [5]
000709 Eta Iota	1969	Stephen F. Austin State University	Nacogdoches, Texas	Active	(Texas Eta Iota)	[2] [5]
000710 Eta Kappa	1969	University of New Mexico	Albuquerque, New Mexico	Active	(New Mexico Eta Kappa)	[2] [5]
000711 Eta Lambda	1969	Tennessee Technological University	Cookeville, Tennessee	Inactive	(Tennessee Eta Lambda)	[2] [5]
000712 Eta Mu	1969	Florida Atlantic University	Boca Raton, Florida	Inactive	(Florida Eta Mu)	[2] [5]
000713 Eta Nu	1970	Middle Tennessee State University	Murfreesboro, Tennessee	Active	(Tennessee Eta Nu)	[2] [5]
000714 Eta Xi	1971	Salem International University	Salem, West Virginia	Inactive	(West Virginia Eta Xi)	[2] [5]
000715 Eta Omicron	1971	Culver–Stockton College	Canton, Missouri	Active	(California Eta Omicron)	[2] [5]
000716 Eta Pi	1971	Clemson University	Clemson, South Carolina	Active	(South Carolina Eta Pi)	[2] [5]
000717 Eta Rho	1971	University of Central Florida	Orlando, Florida	Active	(Florida Eta Rho)	[2] [5]
000718 Eta Sigma	1971	Bemidji State University	Bemidji, Minnesota	Inactive	(Minnesota Eta Sigma)	[2] [5]
000719 Eta Tau	1971	Austin Peay State University	Clarksville, Tennessee	Active	(Tennessee Eta Tau) Refounded in 2009	[2] [5] [12]
000720 Eta Upsilon	1971	Western Illinois University	Macomb, Illinois	Inactive	(Illinois Eta Upsilon)	[2] [5]
000721 Eta Phi	1971	University of West Georgia	Carrollton, Georgia	Inactive	(Georgia Eta Phi)	[2] [5]
000722 Eta Chi	1972	Southeastern Louisiana University	Hammond, Louisiana	Inactive	(Louisiana Eta Chi)	[2] [5]
000723 Eta Psi	1972	University of West Florida	Pensacola, Florida	Active	(Florida Eta Psi)	[2] [5]
000724 Eta Omega	1972	University of Montevallo	Montevallo, Alabama	Active	(Alabama Eta Omega)	[2] [5]
000801 Theta Alpha	1972	Ball State University	Muncie, Indiana	Active	(Indiana Theta Alpha) Rechartered January 15, 2011	[2] [5] [13]
000802 Theta Beta	1972	Tyler Junior College	Tyler, Texas	Inactive	(Texas Theta Beta)	[2] [5]
000803 Theta Gamma	1973	Duquesne University	Pittsburgh, Pennsylvania	Inactive	(Pennsylvania Theta Gamma)	[2] [5]
000804 Theta Delta	1973	Virginia Tech	Blackburg, Virginia	Re-colonized in October 2013	(Virginia Theta Delta)	[2] [5]
000805 Theta Epsilon	1973	Houston Baptist University	Houston, Texas	Inactive	(Texas Theta Epsilon)	[2] [5]
000806 Theta Zeta	1973	Southern Illinois University	Carbondale, Illinois	Inactive	(Illinois Theta Zeta)	[2] [5]
000807 Theta Eta	1974	University of North Alabama	Florence, Alabama	Active	(Alabama Theta Eta)	[2] [5]
000808 Theta Theta	1975	Illinois State University	Normal, Illinois	Inactive	(Illinois Theta Theta)	[2] [5]
000809 Theta Iota	1975	Millikin University	Decatur, Illinois	Active	(Illinois Theta Iota)	[2] [5]
000810 Theta Kappa	1976	New Mexico State University	Las Cruces, New Mexico	Active	(New Mexico Theta Kappa)	[2] [5]
000811 Theta Lambda	1977	Miami University	Oxford, Ohio	Inactive	(Ohio Theta Lambda, re-founded as the Kappa Phi chapter on 11/29/2016)	[2] [5]
000812 Theta Mu	1977	Elmhurst College	Elmhurst, Illinois	Active	(Illinois Theta Mu)	[2] [5]
000813 Theta Nu	1977	Baylor University	Waco, Texas	Active	(Texas Theta Nu)	[2] [5]
000814 Theta Xi	1978	Francis Marion University	Florence, South Carolina	Inactive	(South Carolina Theta Xi)	[2] [5]
000815 Theta Omicron	1978	Marshall University	Huntington, West Virginia	Active	(West Virginia Theta Omicron)	[2] [5]
000816 Theta Pi	1979	University of Alabama Huntsville	Huntsville, Alabama	Active	(Alabama Theta Pi)	[2] [5]
000817 Theta Rho	1979	Truman State University	Kirksville, Missouri	Inactive	(Missouri Theta Rho)	[2] [5]
000818 Theta Sigma	1979	Texas A&M University	College Station, Texas	Active	(Texas Theta Sigma)	[2] [5]
000819 Theta Tau	1980	Wichita State University	Wichita, Kansas	Inactive	(Kansas Theta Tau)	[2] [5]
000820 Theta Upsilon	1980	University of Tennessee at Chattanooga	Chattanooga, Tennessee	Inactive	(Tennessee Theta Upsilon)	[2] [5]
000821 Theta Phi	1980	University of Alabama at Birmingham	Birmingham, Alabama	Active	(Alabama Theta Phi)	[2] [5]
000822 Theta Chi	1982	Indiana University of Pennsylvania	Indiana, Pennsylvania	Inactive	(Pennsylvania Theta Chi)	[2] [5]
000823 Theta Psi	1983	Stetson University	DeLand, Florida	Active	(Florida Theta Psi)	[2] [5]
000824 Theta Omega	1983	Northern Kentucky University	Highland Heights, Kentucky	Active	(Kentucky Theta Omega)	[2] [5]
000901 Iota Alpha	1986	Texas State University	San Marcos, Texas	Inactive	(Texas Iota Alpha)	[2] [5]
000902 Iota Beta	1986	Lander University	Greenwood, South Carolina	Active	(South Carolina Iota Beta)	[2] [5]
000903 Iota Gamma		University of Maryland, Baltimore County	Catonsville, Maryland	Inactive	(Maryland Iota Gamma)	[2] [5]
000904 Iota Delta	1988	Widener University	Chester, Pennsylvania	Active	(Pennsylvania Iota Delta)	[2] [5]
000905 Iota Epsilon	1988	University of Texas at San Antonio	San Antonio, Texas	Active	(Texas Iota Epsilon)	[2] [5]
000906 Iota Zeta	1989	Rollins College	Winter Park, Florida	Inactive	(Florida Iota Zeta)	[2] [5]
000907 Iota Eta	1989	California State Polytechnic University, Pomona	Pomona, California	Inactive	(California Iota Eta)	[2] [5]
000908 Iota Theta	1990	University of California, Riverside	Riverside, California	Inactive	(California Iota Theta)	[2] [5]
000909 Iota Iota	1990	Northern Arizona University	Flagstaff, Arizona	Inactive	(Arizona Iota Iota)	[2]
000910 Iota Kappa	1990	Goldey–Beacom College	Wilmington, Delaware	Inactive	(Delaware Iota Kappa)	[5]
000911 Iota Lambda	1990	Otterbein University	Westerville, Ohio	Inactive	(Ohio Iota Lambda)	[5]
000912 Iota Mu	1990	SUNY-Albany	Albany, New York	Inactive	(New York Iota Mu)	[5]
000913 Iota Nu	1991	University of California, Santa Barbara	Isla Vista, California	Active	(California Iota Nu)	[5]
000914 Iota Xi	1991	SUNY-Buffalo	Buffalo, New York	Inactive	(New York Iota Xi)	[5]
000915 Iota Omicron	1991	Villanova University	Villanova, Pennsylvania	Inactive	(Pennsylvania Iota Omicron)	[5]
000916 Iota Pi	1991	Appalachian State University	Boone, North Carolina	Active	(North Carolina Iota Pi)	[5]
000917 Iota Rho		Johnson & Wales University	Providence, Rhode Island	Inactive	(Rhode Island Iota Rho)	[5]
000918 Iota Sigma	1992	University of Central Missouri	Warrensburg, Missouri	Active	(Missouri Iota Sigma)	[5]
000919 Iota Tau	1994	University of Rhode Island	North Kingstown, Rhode Island	Inactive	(Rhode Island Iota Tau)	[5]
000920 Iota Upsilon	1995	Western Michigan University	Kalamazoo, Michigan	Inactive	(Michigan Iota Upsilon)	[5]
000921 Iota Phi	1999	Belmont University	Nashville, Tennessee	Inactive	(Tennessee Iota Phi)	[5]
000922 Iota Chi	2001	Auburn Montgomery	Montgomery, Alabama	Inactive	(Alabama Iota Chi)	[5]
000923 Iota Psi	2001	Temple University	Philadelphia, Pennsylvania	Active	(Pennsylvania Iota Psi)	[5]
000924 Iota Omega	2003	Bloomsburg University of Pennsylvania	Bloomsburg, Pennsylvania	Inactive	(Pennsylvania Iota Omega)	[5]
001001 Kappa Alpha	2004	University of Texas Arlington	Arlington, Texas	Active	(Texas Kappa Alpha)	[5]
001002 Kappa Beta	2005	Troy University	Troy, Alabama	Active	(Alabama Kappa Beta)
001003 Kappa Gamma	2006	University of North Texas	Denton, Texas	Inactive	(Texas Kappa Gamma)
001004 Kappa Delta	2007	North Carolina State University	Raleigh, North Carolina	Active	(North Carolina Kappa Delta)
001005 Kappa Epsilon	2007	Pepperdine University	Malibu, California	Active	(California Kappa Epsilon)	[14]
001006 Kappa Zeta	2007	James Madison University	Harrisonburg, Virginia	Inactive	(Virginia Kappa Zeta)
001007 Kappa Eta	November 17, 2007	Florida Institute of Technology	Melbourne, Florida	Active
001008 Kappa Theta	January 12, 2008	Eastern Illinois University	Charleston, Illinois	Inactive
001009 Kappa Iota	December 13, 2008	University of North Carolina Wilmington (UNCW)	Wilmington, North Carolina	Inactive	(North Carolina Kappa Iota)	[15]
001010 Kappa Kappa	January 31, 2009	College of William and Mary	Williamsburg, Virginia	Active	(Virginia Kappa Kappa)	[16]
001011 Kappa Lambda	September 26, 2009	Grand Valley State University	Allendale, Michigan	Active	(Michigan Kappa Lambda)	[17]
001012 Kappa Mu	December 11, 2010	University of North Florida	Jacksonville, Florida	Active	(Florida Kappa Mu)	[18]
001209 Mu Iota	1909	University of Kentucky	Lexington, Kentucky	Inactive	The out of sequence name "Mu Iota" came from the Midnight Imps local fraternity, which was absorbed by Alpha Tau Omega.	[19] [20]
001013 Kappa Nu	November 12, 2011	Arkansas Tech University	Russellville, Arkansas	Active	Arkansas Kappa Nu	[21]
001014 Kappa Xi	2012	East Carolina University	Greenville, North Carolina	Active	Colonized in 2011; chartered in October 2012
001015 Kappa Omicron	2014	University of Louisville	Louisville, Kentucky	Active	Colonized in 2011; chartered on January 11, 2014
000000 Kappa Pi	2012	Utah State University	Logan, Utah	Inactive	Chapter closed in 2021
001017 Kappa Rho	2015	Samford University	Birmingham, Alabama	Active	(Alabama Kappa Rho)	[5]
001018 Kappa Sigma	2015	University of South Alabama	Mobile, Alabama	Active	Colonized in 2014; Chartered on October 3, 2015
001019 Kappa Tau	2016	Eastern Kentucky University	Richmond, Kentucky	Active	(Kentucky Kappa Tau)	[5]
001020 Kappa Upsilon	April 23, 2016	University of Tampa	Tampa, Florida	Active	Colonized on February 5, 2014; chartered on April 23, 2016
001021 Kappa Phi	September 3, 2016	Lake Forest College	Lake Forest, Illinois	Active	Colonized on April 14, 2014; chartered on September 3, 2016
001022 Kappa Chi	January 28, 2017	West Chester University	West Chester, Pennsylvania	Active	Colonized on October 30, 2015; chartered on January 28, 2017
001023 Kappa Psi	March 25, 2017	University of Pittsburgh	Pittsburgh, Pennsylvania	Active	Colonized on February 19, 2016; chartered on March 25, 2017
001024 Kappa Omega	April 1, 2017	Georgia College and State University	Milledgeville, Georgia	Active	Colonized on March 14, 2016; chartered on April 4, 2017
001101 Lambda Alpha	October 14, 2017	Florida Gulf Coast University	Fort Myers, Florida	Active	Chartered on October 14, 2017
001102 Lambda Beta	June 2, 2018	Santa Clara University	Santa Clara, California	Inactive	Chartered on June 06, 2018	[22]
001103 Lambda Gamma	April 6, 2019	Boise State University	Boise, Idaho	Active
001104 Lambda Delta	April 20, 2019	University of North Carolina at Charlotte	Charlotte, North Carolina	Active	Colonized on October 27th, 2017
001105 Lambda Epsilon	2019	Kennesaw State University	Kennesaw, Georgia	Active	(Georgia Lambda Epsilon)	[5]
001106 Lambda Zeta	2019	University of San Diego	San Diego, California	Active	(California Lambda Zeta)	[5]
000000 Colony		Sacred Heart University	Fairfield, Connecticut	Inactive	Colonized on November 14, 2018

Community chapters

Name	Chartered	Institution	Location	Status	Notes	Reference
000006 Zeta	1866		Weston, West Virginia	Inactive	Inactive in 1867	[1]
000007 Eta	1866		Harrisonburg, Virginia	Inactive	Inactive in 1869	[1]
000008 Theta	1866		Knoxville, Tennessee	Inactive	Inactive in 1867	[1]
000010 Kappa	1867		Memphis, Tennessee	Inactive	Inactive in 1872	[1]
000003 Gamma	1867		Columbia, Virginia	Inactive	Inactive in 1868	[1]
000018 Sigma	1874		Rome, Georgia	Inactive	Inactive in 1875	[1]
000021 Phi	1874		Alexandria, Virginia	Inactive	Inactive in 1876	[1]
000022 Chi	1875		Chicago, Illinois	Inactive	Inactive in 1876	[1]

References

1. Baird's Manual of American College Fraternities, 9th ed.. G. Banta Company. 1920.
2. Anson, Jack L.; Marchenasi, Robert F., eds. (1991) [1879]. Baird's Manual of American Fraternities (20th ed.). Indianapolis, IN: Baird's Manual Foundation, Inc. p. III-20–25. ISBN   978-0963715906.
3. "The Official Story of Our Founding" . Retrieved 2011-07-16.
4. Catalogue of the Alpha Tau Omega Fraternity: 1865-1897 (1897)
5. ΑΤΩ national website Chapter Search Tool, accessed 12 Nov 2020.
6. ATO returns, minus the alcohol
7. Colony to Chapter: Alpha Iota
8. This chapter was enhanced in 1938 with the merger of the Alpha chapter of small national Phi Lambda Theta, at the dissolution of that fraternity.
9. accessed October 17, 2018
10. American University Greek Governing Councils and Chapter Profiles
11. Colony to Chapter: Epsilon Sigma
12. "APSU chapter web portal" . Retrieved 2020-11-12.
13. Colony to Charter: Theta Alpha
14. ATO Pepperdine news, via national website, accessed 12 Nov 2020.
15. UNCW Greeks - Alpha Tau Omega
16. William and Mary chapter website, accessed 12 Nov 2020.
17. Colony to Charter: Kappa Lambda
18. Colony to Chapter Kappa Mu
19. Lex19 news, on Marco Shemwell lawsuit
20. ATO National Dissolves Mu Iota Chapter
21. Arkansas Tech ATO recognized by the 'Tech NIC, accessed 12 Nov 2020.
22. Colony Becomes a Chapter!