The 1973 Oklahoma Sooners football team represented the University of Oklahoma in the 1973 NCAA Division I football season. Oklahoma participated as members of the Big Eight Conference and played its home games in Gaylord Family Oklahoma Memorial Stadium where it has played its home games since 1923. The team posted a 10–0–1 overall record and a 7–0 conference record to earn the Conference outright title under first-year head coach Barry Switzer. This would be the first of eight consecutive Big Eight Conference championships for the Sooners with Switzer as head coach.