Cathleen Roxanne Rigby (later Mason, later McCoy; born December 12, 1952), known as Cathy Rigby, is an actress, speaker, and former artistic gymnast. Her performance in the 1968 Summer Olympics helped to popularize the sport of gymnastics in the United States.

After her retirement from gymnastics, Rigby became a stage and television actress. She is most noted for the role of Peter Pan, which she played for more than 30 years. She also became a public speaker on the subject of eating disorder, which she struggled with and overcame.