Marie Mansfield [Kelley] (born November 4, 1931) is a former pitcher who played from 1950 through 1954 in the All-American Girls Professional Baseball League. Listed at 5 ft 7 in (1.70 m), 140 lb., she batted and threw right-handed. Mansfield had a 5–8 record in 1954, finishing seventh in ERA (3.27) and ninth in strikeouts, during what turned out to be the league's final season. With five teams in the circuit, the only team not to make it to the postseason was the last place Rockford Peaches.