List of Oklahoma State University Greek alumni

This is a list of notable Greek alumni from Oklahoma State University.

Alpha Gamma Rho

 * Walter Clore - pioneer in Washington State wine growing; the "father of Washington wine"
 * Allie Reynolds - MLB pitcher
 * Dr. Francis Tuttle - former Director of Oklahoma Department of Career and Technology Education; innovator and pacesetter in vocational education

Beta Theta Pi

 * Joe Allbaugh - former Director of FEMA
 * Don Nickles - former US Senator

Delta Tau Delta

 * Keith Anderson - country music singer
 * James Marsden - film actor (X-Men series, The Notebook, 27 Dresses)

Kappa Sigma

 * Paul Miller - former president of the Gannett Corporation and the Associated Press; namesake of the OSU School of Journalism and Broadcasting
 * Steven W. Taylor - Justice of the Oklahoma Supreme Court

Lambda Chi Alpha

 * Chester Gould - creator of the Dick Tracy comic strip

Phi Delta Theta

 * William Allen - President and CEO of Phillips Petroleum Co.
 * Derrel Gofourth - Oklahoma State and NFL offensive lineman
 * Joel Hefley - U.S. Representative

Phi Kappa Tau

 * Virgil A. Richard - retired Brig. General, U.S. Army

Pi Kappa Alpha

 * Gordon Eubanks - microcomputer pioneer; President and CEO of Symantec and Oblix
 * Neal Patterson - founder and CEO of Cerner Corporation

Sigma Alpha Epsilon

 * T. Boone Pickens - oil tycoon and billionaire philanthropist, Pickens Plan

Sigma Chi

 * Eddie Sutton - former basketball coach
 * Bo Van Pelt - professional golfer
 * Charles Watson - founder and former CEO of Dynegy

Sigma Nu

 * Tom Coburn - US Senator
 * V. Burns Hargis - businessman and former president of Oklahoma State University

Sigma Phi Epsilon

 * Edward Clark Gallagher - wrestling coach; namesake of Gallagher-Iba Arena
 * John Smith - two-time Olympic Gold medal wrestler; current wrestling coach of OSU

Miscellaneous Greek alumni with OSU ties

 * Henry Iba - OSU basketball coach and Athletic Director, Lambda Chi Alpha