The 2018 NCAA Division I softball season, play of college softball in the United States organized by the National Collegiate Athletic Association (NCAA) at the Division I level, began in February 2018. The season progressed through the regular season, many conference tournaments and championship series, and concluded with the 2018 NCAA Division I Softball Tournament and 2018 Women's College World Series. The Women's College World Series, consisting of the eight remaining teams in the NCAA Tournament and held annually in Oklahoma City at ASA Hall of Fame Stadium, ended on June 4, 2018.