The 1999 Texas A&M Aggies baseball team represented Texas A&M University in the 1999 NCAA Division I baseball season. The Aggies played their home games at Olsen Field. The team was coached by Mark Johnson in his 9th year at Texas A&M. The Aggies won the College Station Regional and the College Station Super Regional to advance to the College World Series, where they were defeated by the Cal State Fullerton Titans.