Pi Beta Phi (ΠΒΦ), often known simply as Pi Phi, is an international women's fraternity founded at Monmouth College, in Monmouth, Illinois on April 28, 1867, as I. C. Sorosis, the first national secret college society of women to be modeled after the men's Greek-letter fraternity.
Pi Kappa Alpha (ΠΚΑ), commonly known as Pike is a college fraternity founded at the University of Virginia in 1868. The fraternity has over 225 chapters and provisional chapters across the United States and abroad with over 15,500 undergraduate members and over 300,000 lifetime initiates.
Phi Kappa Tau (ΦΚΤ), commonly known as Phi Tau, is a collegiate fraternity located in the United States. The fraternity was founded in 1906. As of May 2024, the fraternity has 161 chartered chapters, 83 active chapters, 7 associate chapters, and about 3,900 collegiate members. SeriousFun Children's Network, founded by Beta chapter alumnus Paul Newman, is Phi Kappa Tau's National Philanthropy. According to its Constitution, Phi Kappa Tau is one of the few social fraternities that accepts both graduate students and undergraduates.
Lambda Phi Epsilon is the largest Asian-American-Interest fraternity in North America. Lambda Phi Epsilon is affiliated with the National APIDA Panhellenic Association, and is a former member of the North American Interfraternity Conference.
Omega Psi Phi Fraternity, Inc. (ΩΨΦ) is a historically African-American collegiate fraternity. It was founded on November 17, 1911 at Howard University. Omega Psi Phi is a founding member of the National Pan-Hellenic Council. The fraternity has chartered over 750 undergraduate and graduate chapters. Over 250,000 men have been initiated into Omega Psi Phi.
Pi Kappa Phi (ΠΚΦ), commonly known as Pi Kapp(s), is an American Greek Letter secret and social fraternity. It was founded by Andrew Alexander Kroeg Jr., Lawrence Harry Mixson, and Simon Fogarty Jr. on December 10, 1904 at the College of Charleston in Charleston, South Carolina. The fraternity has 187 active chapters (168 chartered chapters and 19 associate chapters), and more than 113,000 initiated members.
Dartmouth College is host to many fraternities and sororities, and a significant percentage of the undergraduate student body is active in Greek life. In the fall of 2022, 35 percent of male students belong to a fraternity and 36 percent of students belong to a sorority. Greek organizations at Dartmouth provide both social and residential opportunities for students and are the only single-sex residential option on campus. Greek organizations at Dartmouth do not provide dining options, as regular meal service has been banned in Greek houses since 1909.
Phi Gamma Delta (ΦΓΔ), commonly known as Fiji, is a social fraternity with 139 active chapters and 13 colonies across the United States and Canada. It was founded at Jefferson College, Pennsylvania, in 1848. Along with Phi Kappa Psi, Phi Gamma Delta forms a half of the Jefferson Duo. Since its founding, the fraternity has initiated more than 211,000 brothers. The nickname FIJI is used commonly by the fraternity due to Phi Gamma Delta bylaws limiting the use of the Greek letters.
Kappa Kappa Gamma (ΚΚΓ), also known simply as Kappa or KKG, is a collegiate sorority founded at Monmouth College in Monmouth, Illinois, United States.
Pi Alpha Phi Fraternity, Inc. was an American university-level fraternity. It was founded in 1929 at the University of California, Berkeley. On August 1, 2023, Pi Alpha Phi Fraternity announced that it was closing all of its chapters. At the time, it was the oldest active Asian-American interest fraternity in the United States. It was a founding member of the National APIDA Panhellenic Association.
Tau Gamma Phi (ΤΓΦ), also known as Triskelions’ Grand Fraternity, is a fraternity established in the Philippines. Its members call themselves Triskelions.
Sigma Phi Epsilon (ΣΦΕ), commonly known as SigEp, is a social college fraternity for male college students in the United States. It was founded on November 1, 1901, at Richmond College, which is now the University of Richmond, and its national headquarters remains in Richmond, Virginia. It was founded on three principles: Virtue, Diligence, and Brotherly Love. Sigma Phi Epsilon is one of the largest social fraternities in the United States in terms of current undergraduate membership.
The Alpha Phi Omega Philippines Incorporated, commonly known as Alpha Phi Omega CollegiateService Fraternity and Sorority or simply Alpha Phi Omega or APO (ΑΦΩ), is a service fraternity and sorority in the Philippines founded in 1950. It is the first established national chapter of Alpha Phi Omega outside of the United States, although both organizations have separate leaderships and operate independently. Alpha Phi Omega has 250 chapters in the Philippines and 150,000 members as of 2010.
Washington & Jefferson College is host to 8 Greek organizations and a significant percentage of the undergraduate student body is active in Greek life. With 43% of women and 40% of men of the student body participating in "greek life," fraternities and sororities play a significant role in student life at W&J. The Princeton Review named Washington & Jefferson College 12th on their 2010 list of "Major Frat and Sorority Scene" in the United States. As of 2024, the Office of Fraternity & Sorority Life recognized 4 fraternities, Alpha Tau Omega, Beta Theta Pi, Delta Tau Delta, and Phi Kappa Psi, and 4 sororities, Delta Gamma, Kappa Alpha Theta, Kappa Kappa Gamma, and Pi Beta Phi. The fraternities are governed by a local Interfraternal Council and the sororities are governed by a local Panhellenic Council, while the Greek Judiciary manages broad policy violations at the chapter-level. All Greek organizations occupy College-owned houses on Chestnut Street on campus. All members of fraternities and sororities must pay the $100 "Greek Membership Fee," a levy designed to fund leadership seminars and other educational events for Greeks.
Fraternities and sororities at the University of Virginia include the collegiate organizations on the grounds of the University of Virginia in Charlottesville, Virginia. First founded in the 1850s with the establishment of several fraternities, the system has since expanded to include sororities, professional organizations, service fraternities, honor fraternities, and cultural organizations. Fraternities and sororities have been significant to the history of the University of Virginia, including the founding of two national fraternities Kappa Sigma (ΚΣ) and Pi Kappa Alpha (ΠΚΑ).
In North America, fraternities and sororities are social clubs at colleges and universities. They are sometimes collectively referred to as Greek life or Greek-letter organizations, as well as collegiate fraternities or collegiate sororities to differentiate them from traditional not (exclusively) university-based fraternal organizations and fraternal orders that have historically acted as friendly societies or benefit societies to certain groups unlike the ones mentioned in this article.
