1977 NCAA Division I baseball tournament

The 1977 NCAA Division I baseball tournament was played at the end of the 1977 NCAA Division I baseball season to determine the national champion of college baseball. The tournament concluded with eight teams competing in the College World Series, a double-elimination tournament in its thirty-first year. Eight regional competitions were held to determine the participants in the final event. Seven regions held a four team, double-elimination tournament while one region included six teams, resulting in 34 teams participating in the tournament at the conclusion of their regular season, and in some cases, after a conference tournament. The thirty-first tournament's champion was Arizona State, coached by Jim Brock. The Most Outstanding Player was Bob Horner of Arizona State.