The 1984 Ohio Valley Conference men's basketball tournament was the postseason men's basketball tournament of the Ohio Valley Conference during the 1983–84 NCAA Division I men's basketball season.
The semifinals and finals took place at Gaylord Entertainment Center in Nashville, Tennessee.
Two seed Southeast Missouri State won the tournament, defeating Murray State in the championship game, and received the Ohio Valley's automatic bid to the NCAA tournament.
Southeast Missouri State drew a 13 seed in the West region, facing the 4 seed LSU.
The top four eligible men's basketball teams in the Ohio Valley Conference received a berth in the conference tournament.