John C. Fitzgerald (November 12, 1863 – June 26, 1928) was an American politician from New York.
Later he was for ten years a U.S. Customs officer.
He early entered politics as a member of Tammany Hall, and was one of the organizers of the Timothy D. Sullivan Association.
When his boss ran for Congress in November 1902, Fitzgerald was nominated to succeed to Sullivan's seat in the State Senate.
He died on June 26, 1928, at his home at 2453 Ocean Avenue in Brooklyn.