2015 NCAA Division I cross country championships

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.

Syracuse won the men's team championship, their first since 1951. Oregon's Edward Cheserek won the men's individual event, his third consecutive championship. Cheserek joined Gerry Lindgren, Steve Prefontaine, and Henry Rono as the event's only three-time champions.

New Mexico won the women's team championship, their first. It was UNM's first women's team national championship in any sport. Notre Dame's Molly Seidel won the individual event.

Men's title

 * Distance: 10,000 meters

Men's Team Result (Top 10)

 * (H) – Host team

Women's title

 * Distance: 6,000 meters