 The UOSU recognizes three fraternities; Sigma Chi, Sigma Alpha Mu and Omega Theta Alpha; and ten sororities, Delta Delta Delta, Alpha Phi, Nu Sigma Pi, Omega Phi Sigma, Sigma Beta Phi, Xi Delta Theta, Zeta Theta Xi, Theta Sigma Psi, Delta Phi Nu, and Kappa Beta Gamma.Athletics and student recreation at the university are managed by Sports Services.Varsity teams compete in either Ontario University Athletics or Réseau du sport étudiant du Québec conference of U Sports, varying by team.