The 2015 BYU Cougars softball team represented Brigham Young University in the 2015 NCAA Division I softball season. Gordon Eakin entered the year as head coach of the Cougars for a 13th consecutive season. 2015 was the second season for the Cougars as members of the WCC in softball. The Cougars entered 2015 having won their last 6 conference championships and as the favorites in the WCC. After sweeping a double header from Santa Clara on May 1, BYU won the 2015 WCC regular season title and became the first team to clinch a spot in the 2015 NCAA Division I Softball Tournament. The birth would be BYU's eleventh consecutive birth in the NCAA Tournament.