Muriel Evelyn Grossfeld (née Davis born October 7, 1940) is a retired American gymnast who won a team gold medal at the 1963 Pan American Games. She competed in all artistic gymnastics events at the 1956, 1960 and 1964 Olympics and finished ninth with the American team four times: all-around in all three games and in the team portable apparatus in 1956. Her best individual result was 19th place in the floor exercise in 1960.
Grossfeld was married to the fellow Olympic gymnast Abie Grossfeld, but they later divorced. After retiring from competitions she had a long career as a national gymnastics coach and international referee. In 1981 she was inducted into the U.S. Gymnastics Hall of Fame.
She appeared on the TV program "To Tell The Truth" on March 15, 1965.