OBU fields intercollegiate men's teams in baseball, basketball, football, soccer, swimming, tennis, and wrestling. Women's sports include basketball, cross country, soccer, softball, swimming, tennis and volleyball. The school mascot is the Tiger, and colors are purple and gold. As of fall 2011, Ouachita began competition in the Great American Conference, after previously being a member of the Gulf South Conference. The Great American Conference consists of six schools from Arkansas and 6 schools from Oklahoma. The football Tigers were the conference champions of the inaugural 2011 season as well as the 2014 and 2017 conference champions. In wrestling, a sport not sponsored by the GAC, OBU competes as a single-sport member of the Great Lakes Valley Conference.