Joseph Anton Marty (September 1, 1913 – October 4, 1984) was an American centerfielder in Major League Baseball. A native of Sacramento, California, Marty was a teammate of Joe DiMaggio when they played for the 1934 and 1935 San Francisco Seals, and was the 1936 Pacific Coast League batting average champion. Over 5 seasons, in 538 games, Marty posted a .261 batting average (478-1832) with 223 runs scored, 44 home runs and 222 RBI. His career fielding percentage was .972. Marty graduated from Christian Brothers High School.