Betty "Fossey" Weaver-Foss (May 10, 1929 – February 8, 1998) was an infielder and outfielder who played from 1950 through 1954 in the All-American Girls Professional Baseball League. Listed at 5 ft 10 in (1.78 m), 180 lb., she was a switch-hitter and threw right-handed. She started her career as Betty Weaver but changed her last name to Foss after marrying. Her younger sisters, Jean and Joanne, also played in the league.