The 2013 Mountain West Conference Baseball Tournament took place from May 22–26. All six of the league's teams met in the double-elimination tournament held at California State University, Fresno's Pete Beiden Field. It was Fresno State's first year in the league after joining from the Western Athletic Conference. San Diego State won the tournament for the second time, earning the Mountain West Conference's automatic bid to the 2013 NCAA Division I Baseball Tournament.