The 1984–85 Oklahoma Sooners men's basketball team represented the University of Oklahoma in competitive college basketball during the 1984–85 NCAA Division I season. The Oklahoma Sooners men's basketball team played its home games in the Lloyd Noble Center and was a member of the National Collegiate Athletic Association's (NCAA) former Big Eight Conference at that time. The team posted a 31–6 overall record and a 13–1 conference record to finish first in the Conference for head coach Billy Tubbs. This was the first Big Eight Conference Tournament Championship and second Conference Regular Season Championship for Tubbs. This was Tubbs' first NCAA Men's Division I Basketball Tournament #1 seed.