The 2015 NCAA Division I Cross Country Championships were the 77th NCAA Men's Division I Cross Country Championship and the 35th NCAA Women's Division I Cross Country Championship to determine the national champions of men's and women's NCAA Division I collegiate cross country running. It was held at E. P. "Tom" Sawyer State Park in Louisville, Kentucky and was hosted by the University of Louisville on November 21, 2015. Four different championships were contested: men's and women's individual and team championships.