1988–89 Oklahoma Sooners men's basketball team

The 1988–89 Oklahoma Sooners men's basketball team represented the US University of Oklahoma in competitive college basketball during the 1988–89 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 30–6 overall record and a 12–2 conference record to earn the Conference title under head coach Billy Tubbs. This was the fourth Big Eight Conference Regular Season Championship for Tubbs and his second in a row.

1988–89 Oklahoma Sooners men's basketball team

The 1988–89 Oklahoma Sooners men's basketball team represented the US University of Oklahoma in competitive college basketball during the 1988–89 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 30–6 overall record and a 12–2 conference record to earn the Conference title under head coach Billy Tubbs. This was the fourth Big Eight Conference Regular Season Championship for Tubbs and his second in a row.