Marjorie L. "Marge" Peters (September 11, 1918 – April 1, 2016) was an American baseball player. She was a pitcher who played from 1943 to 1944 in the All-American Girls Professional Baseball League. She was one of the sixty original players to join the All-American Girls Professional Baseball League for its inaugural season. She also has the distinction of having pitched the first ball in the first game ever played in the league. She played for the Rockford Peaches.