| Group name | Institution | Membership | Year founded | Ref. | |
|---|
| The Accafellas | Michigan State University | Tenor/Bass | 1996 | |
| The Accidentals | University of Georgia | Tenor/Bass | 1974 | |
| Another Round | Indiana University | Tenor/Bass | 1996 | |
| The Bandersnatchers | Skidmore College | Tenor/Bass | 1975 | |
| The Bear Necessities | Brown University | Tenor/Bass | 1992 | |
| The Beelzebubs | Tufts University | Tenor/Bass | 1962 | |
| BisCaydence | University of Miami | Mixed | 2011 | |
| Binghamtonics | Binghamton University | Mixed | 1987 | [1] |
| Brovertones | Dartmouth College | Tenor/Bass | 1993 | |
| The Brown Derbies | Brown University | Tenor/Bass | 1982 | |
| Buck That! | Ohio State University | Tenor/Bass | 2010 | [2] |
| California Golden Overtones | University of California, Berkeley | Soprano/Alto | 1984 | |
| Chai Town | University of Illinois at Urbana–Champaign | Tenor/Bass | 2001 | |
| The Cheezies | Miami University | Tenor/Bass | 1989 | [3] |
| Chorallaries of MIT | Massachusetts Institute of Technology | Mixed | 1977 | |
| The Chordials | Cornell University | Mixed | 1997 | |
| Wolfgang A Cappella | North Carolina State University | Mixed | 1997 | |
| The Claremont Shades | Claremont Colleges | Mixed | 1994 | [4] [5] |
| The Clef Hangers | University of North Carolina at Chapel Hill | Tenor/Bass | 1977 | |
| Cleftomaniacs | Drexel University | Mixed | 2012 | [6] |
| Cleftomaniacs | University of Maryland Baltimore County | Mixed | 2006 | |
| 'Cliffe Notes | Harvard University | Soprano/Alto | 1991 | |
| The Colgate Thirteen | Colgate University | Tenor/Bass | 1942 | |
| Collegium Underground | Harvard University | Mixed | 1971 | |
| Compulsive Lyres | University of Michigan | Mixed | 1997 | |
| Conn-Men | University of Connecticut | Tenor/Bass | 2001 | |
| Cords | Dartmouth College | Tenor/Bass | 1996 | |
| Counterpoint | Stanford University | Soprano/Alto | 1979 | |
| Crapapella | Smith College | Soprano/Alto | 1996 | |
| The Crosbys | Binghamton University | Tenor/Bass | 1982 | |
| CU Buffoons | University of Colorado-Boulder | Tenor/Bass | 1962 | |
| The Dartmouth Aires | Dartmouth College | Tenor/Bass | 1946 | |
| Deep Treble | Rutgers University | Mixed | 1998 | |
| Dhamakapella | Case Western Reserve University | Mixed, South Asian | 2005 | |
| Dicks and Janes | University of Michigan | Mixed | 1998 | |
| The Din & Tonics | Harvard University | Tenor/Bass | 1979 | |
| The Dissipated Eight | Middlebury College | Tenor/Bass | 1952 | |
| Dodecaphonics | Dartmouth College | Mixed | 1984 | |
| Dooley Noted | Emory University | Mixed | 2006 | |
| The Dreamers of Phi Mu Alpha | Pennsylvania State University | Tenor/Bass | 1989 | |
| The Duke's Men of Yale | Yale University | Tenor/Bass | 1952 | |
| Duly Noted | University of Massachusetts Amherst | Mixed | 2015 | |
| The Earth Tones | University at Albany | Tenor/Bass | 1998 | |
| Ecotones | University of Georgia | Mixed | 2010 | |
| Eight Beat Measure | Rochester Institute of Technology | Tenor/Bass | 1987 | |
| Emocapella | George Washington University | Tenor/Bass | 2001 | |
| Ephlats | Williams College | Mixed | 1956 | [7] |
| Everyday People | Stanford University | Mixed | 1987 | |
| Faux Paz | University of Maryland | Mixed | 1993 | |
| Fleet Street | Stanford University | Tenor/Bass | 1981 | |
| Footnotes | Princeton University | Tenor/Bass | 1959 | |
| Fundamentally Sound | University of Wisconsin–Madison | Tenor/Bass | 2005 | |
| The Georgetown Chimes | Georgetown University | Mixed | 1946 | |
| Georgetown Superfood | Georgetown University | Mixed | 1995 | |
| The Gentlemen of the College | The College of William and Mary | Tenor/Bass | 1990 | |
| Glee Club Lite | Harvard University | Tenor/Bass | 1985 | |
| Good Question | Williams College | Mixed | 1995 | [8] |
| The Hangovers | Cornell University | Tenor/Bass | 1968 | |
| Harpur Harpeggios | Binghamton University | Soprano/Alto | 1983 | |
| The Hullabahoos | University of Virginia | Tenor/Bass | 1987 | |
| Hum | University of Texas Austin | Mixed | 2001 | [9] |
| IC Voicestream | Ithaca College | Mixed | 2002 | |
| Illini Awaaz | University of Illinois at Urbana–Champaign | Mixed | 2005 | |
| Ithacappella | Ithaca College | Tenor/Bass | 1996 | |
| The Idlers | United States Coast Guard Academy | Tenor/Bass | 1957 | |
| The Jabberwocks | Brown University | Tenor/Bass | 1949 | |
| Kalakaar | The University of Georgia | Mixed | 2013 | |
| The Katzenjammers | Princeton University | Mixed | 1973 | |
| The Krokodiloes | Harvard University | Tenor/Bass | 1946 | |
| Ladies First A Cappella | Michigan State University | Soprano/Alto | 1985 | |
| The Logarhythms | Massachusetts Institute of Technology | Tenor/Bass | 1949 | |
| LowKeys | Harvard University | Mixed | 1999 | |
| The Maccabeats | Yeshiva University | Tenor/Bass | 2007 | |
| MadHatters | University of Wisconsin–Madison | Tenor/Bass | 1997 | |
| Magevet | Yale University | Mixed | 1993 | |
| Maize Mirchi | University of Michigan | Mixed | 2007 | |
| The Meddiebempsters | Bowdoin College | Tenor/Bass | 1937 [10] | |
| Melodores | Vanderbilt University | Tenor/Bass | 2009 | |
| The Mendicants | Stanford University | Tenor/Bass | 1963 | |
| UC Men's Octet | University of California, Berkeley | Tenor/Bass | 1948 | |
| Midnight Ramblers | University of Rochester | Tenor/Bass | 1998 | |
| Milk and Cookies | Mount Holyoke College | Soprano/Alto | 1989 | |
| MIT Resonance | Massachusetts Institute of Technology | Mixed | 2000 | |
| Mixed Company of Yale | Yale University | Mixed | 1981 | |
| The Madison Project | James Madison University | Tenor/Bass | 1996 | |
| Mosaic Whispers | Washington University in St. Louis | Mixed | 1991 | |
| The Muses | Massachusetts Institute of Technology | Soprano/Alto | 1988 | |
| Nassoons | Princeton University | Tenor/Bass | 1941 | |
| Night Owls | Vassar College | Soprano/Alto | 1942 | |
| Nocturnal | Rice University | Mixed | 2010 | |
| The Nor'easters | Northeastern University | Mixed | 1997 | [11] |
| Northwestern Undertones | Northwestern University | Mixed | 2001 | |
| Not Too Sharp | University of New Hampshire | Tenor/Bass | 2002 | |
| Note-oriety | James Madison University | Soprano/Alto | 1998 | |
| Notes Over Storrs | University of Connecticut | Mixed | 2009 | |
| Noteworthy | Brigham Young University | Soprano/Alto | 2003 | |
| Noteworthy | University of Georgia | Soprano/Alto | 1988 | |
| Off The Clock | Bentley University | Mixed | | |
| Ohms | Massachusetts Institute of Technology | Mixed | 2010 | |
| On a Sensual Note | American University | Tenor/Bass | 1996 | |
| The Originals | Carnegie Mellon University | Mixed | 1996 | |
| Out of the Blue | Yale University | Mixed | 1986 | |
| Penn Masala | University of Pennsylvania | Tenor/Bass | 1996 | |
| Penny Loafers | University of Pennsylvania | Mixed | 1986 | |
| The Pitchforks of Duke University | Duke University | Tenor/Bass | 1979 | |
| Pitch Please | Ithaca College | Mixed | 2012 | |
| The Poor Richards | Franklin and Marshall College | Mixed | 1968 | |
| Premium Blend | Ithaca College | Soprano/Alto | 1998 | |
| Profecy A Cappella | Rowan University | Tenor/Bass | 2014 | |
| Purple Haze | Northwestern University | Mixed | 1996 | |
| Quirks | Trinity College | Soprano/Alto | 2004 | |
| Raag | Rutgers University | Mixed | 2002 | |
| Raagapella | Stanford University | Tenor/Bass | 2002 | |
| The Radcliffe Pitches | Harvard University | Soprano/Alto | 1975 | |
| Rather Be Giraffes | Brandeis University | Mixed | 2002 | |
| Redhot & Blue | Yale University | Mixed | 1977 | |
| The Resolutions | Colgate University | Mixed | 1992 | | |
| Rhythm Method | Binghamton University | Mixed | 1993 | [12] |
| Shir Appeal | Tufts University | Mixed | 1995 | |
| Significant Others | Northwestern University | Soprano/Alto | 1994 | |
| Sil'hooettes | University of Virginia | Soprano/Alto | 1988 | |
| Sirens | Simmons University | Soprano/Alto | 1989 | |
| The Smiffenpoofs | Smith College | Soprano/Alto | 1936 | |
| The Smithereens | Smith College | Soprano/Alto | 1945 | |
| The SoCal VoCals | University of Southern California | Mixed | 1995 | |
| The Society of Orpheus and Bacchus | Yale University | Tenor/Bass | 1938 | |
| Sonata Problem | North Central College | Mixed | 2012 | |
| The Liquid Hotplates | University of California, Davis | Mixed | 2000 | |
| The Spizzwinks(?) | Yale University | Tenor/Bass | 1914 | |
| The Spokes | University of California, Davis | Soprano/Alto | 2004 | |
| sQ! | Tufts University | Mixed | 1994 | |
| Stanford Harmonics | Stanford University | Mixed | 1991 | |
| Stanford Mixed Company | Stanford University | Mixed | 1985 | |
| Stilettos | University of Maryland Baltimore County | Soprano/Alto | 2007 | |
| Suri | Emory University | Mixed | 2015 | |
| Swara | Virginia Tech | Mixed | 2024 | |
| The Swinging 'Gates | Colgate University | Soprano/Alto | 1974 | |
| Taal Tadka | Georgia Institute of Technology | Mixed | 2007 | |
| Talisman | Stanford University | Mixed | 1990 | |
| Tigertones | Princeton University | Tenor/Bass | 1946 | |
| The Tritones | University of California, San Diego | Mixed | 1996 | |
| The Trojan Men | University of Southern California | Tenor/Bass | 2005 | |
| Tupelos | Wellesley College | Soprano/Alto | 1948 | |
| The Harvard-Radcliffe Veritones | Harvard University | Mixed | 1985 | |
| The Virginia Belles | University of Virginia | Soprano/Alto | 1977 | |
| Two Past Midnight | Bucknell University | Mixed | 1995 | |
| The Ursa Minors | Brown University | Soprano/Alto | 1981 | |
| Virginia Gentlemen | University of Virginia | Tenor/Bass | 1953 | | |
| Vocal Point | Brigham Young University | Tenor/Bass | 1991 | |
| VoiceMale | Brandeis University | Tenor/Bass | 1994 | |
| Voices in Your Head | University of Chicago | Mixed | 1998 | |
| The Whiffenpoofs | Yale University | Tenor/Bass | 1909 | |
| The Yale Alley Cats | Yale University | Tenor/Bass | 1943 | |
| The Yale Russian Chorus | Yale University | Tenor/Bass | 1953 | |
| The YellowJackets | University of Rochester | Tenor/Bass | 1956 | |
| Exit 245 | James Madison University | Tenor/Bass | 1998 | |
| The Statesmen | Pennsylvania State University | Tenor/Bass | 2011 | |
| Enchanted | Tufts University | Mixed | 2013 | |
| The G-Men | University of Michigan | Tenor/Bass | 1995 | |