The 1977 NCAA Division II baseball tournament was the 10th edition of the NCAA Division II baseball tournament. The 31-team tournament decided the champion of baseball in NCAA Division II for the 1977 season. The won their first national championship, beating the . UC Riverside coach Jack Smitherman won his first title with the team, while Joe Lefebvre of Eckerd and Steve Glaum of UC Riverside were named Tournament Co-Most Outstanding Players.
The regionals consisted 31 teams in eight groupings. There were five 4-team brackets, one 6-team bracket, one 3-team bracket, and one 2-team bracket. All brackets were double elimination format, with the exception of the 2-team bracket which was a best of 3 format. The top team in each bracket advanced to the 1977 Division II College World Series.
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