Denny Emerson (born August 20, 1941) is an American equestrian. He is the only equestrian to have won both an international gold medal in eventing and a Tevis Cup buckle in endurance. In 1972, Emerson was named United States Eventing Association's Rider of the Year. He was a member of the United States Three Day Eventing Team that won the gold medal at the 1974 Eventing World Championships. As of 2015, Emerson operates as a clinician and trainer. He is a regular contributor to The Chronicle of the Horse's "Between Rounds" column. He and his wife, May Emerson, run Tamarack Hill Farms in Strafford, Vermont and Southern Pines, North Carolina.