John J. Fitzgerald
John J. Fitzgerald or John J. Fitz Gerald is the name of the following people:
- John J. Fitzgerald (baseball player) (1866-1892) American baseball player
- John J. Fitz Gerald (also John J. FitzGerald ; 1893–1963), American sports journalist
- John J. Fitzgerald (filmmaker) (born 1977), American filmmaker
- John Joseph Fitzgerald (1872–1952), American politician