James D. McElroy was an American professional baseball player who played one season at the major league level. He pitched thirteen games for the 1884 Philadelphia Quakers, and one game for the Wilmington Quicksteps. His W–L record was 1–13, and he had an earned run average of 5.12. He attended Saint Mary's College of California in Moraga, California.
- Occupation
- baseball player
- Citizenship
- United States
- Born
- November 5, 1862
- Died
- February 24, 1889
