List of Carnegie Mellon University fraternities and sororities

The Greek tradition at Carnegie Mellon University began years ago with the founding of Theta Xi in 1912. As of the 2022 fall semester, 14% of the university's undergraduate men were members of a fraternity, and 11% of the undergraduate women were members of a sorority. Following is a list of Carnegie Mellon University fraternties and sororities, organized by national umbrella organization or type.

Interfraternity Council
The Interfraternity Council has the following fraternities on campus.
 * Alpha Epsilon Pi
 * Alpha Sigma Phi
 * Phi Delta Theta
 * Pi Kappa Alpha
 * Sigma Alpha Epsilon
 * Sigma Chi
 * Sigma Nu
 * Sigma Phi Epsilon

Multicultural Greek Council
The Multicultural Greek Council has the following members on campus.
 * alpha Kappa Delta Phi (sorority)
 * Kappa Phi Lambda (sorority)
 * Lambda Phi Epsilon (fraternity)

National Pan-Hellenic Council
The National Pan-Hellenic Council has the following members on campus.
 * Alpha Kappa Alpha
 * Alpha Phi Alpha
 * Delta Sigma Theta
 * Kappa Alpha Psi

Panhellenic Council
The Panhellenic Council has the following sororities on campus.
 * Alpha Chi Omega
 * Alpha Phi
 * Delta Delta Delta
 * Delta Gamma
 * Kappa Alpha Theta
 * Kappa Kappa Gamma

Professional fraternities

 * Alpha Kappa Psi (co-ed)
 * Sigma Alpha Iota (women)

Service fraternities

 * Alpha Phi Omega (co-ed)