Unbridled (March 5, 1987 – October 18, 2001) was a Champion American Thoroughbred racehorse. Unbridled retired with a career record of eight wins, six places and six shows in 24 starts, and $4,489,475 in career earnings. Unbridled had a rivalry with Summer Squall over their three- and four-year-old seasons. Summer Squall defeated Unbridled in four of their six meetings.