1983 NCAA Division II baseball tournament

The 1983 NCAA Division II baseball tournament was the postseason tournament hosted by the NCAA to determine the national champion of baseball among its Division II colleges and universities at the end of the 1983 NCAA Division II baseball season.

For the fourth year, the tournament was played at the Riverside Sports Complex in Riverside, California.

Cal Poly Pomona defeated Jacksonville State, 9–7, in the championship game of the double-elimination tournament, capturing the Broncos' third national title and first since 1980. Cal Poly Pomona was coached by John Scolinos.