All IFC fraternities whose undergraduate chapters have been active at Cornell University in the previous five years are members, per the AIFC Constitution. Each alumni organization of those fraternities appoints one voting representative and one alternate, but AIFC meetings are open to all alumni in good standing of any Cornell IFC fraternity.
As of the spring 2026 semester, the following organizations are members of the Cornell University AIFC:
- Acacia
- Alpha Delta Phi
- Alpha Epsilon Pi
- Alpha Gamma Rho
- Alpha Sigma Phi
- Beta Theta Pi
- Chi Phi
- Chi Psi
- Delta Chi
- Delta Kappa Epsilon
- Delta Phi
- Delta Tau Delta
- Delta Upsilon
- Kappa Delta Rho
- Kappa Sigma
- Lambda Chi Alpha
- Phi Delta Theta
- Phi Gamma Delta
- Phi Kappa Tau
- Phi Sigma Kappa
- Pi Kappa Alpha
- Pi Kappa Phi
- Sigma Alpha Epsilon
- Sigma Alpha Mu
- Sigma Chi
- Sigma Nu
- Sigma Phi
- Sigma Pi
- Theta Delta Chi
- Zeta Beta Tau
- Zeta Psi