John F. Ahearn (April 18, 1853 – December 19, 1920) was an American politician and publisher. A prominent New York City political figure and a member of the Tammany Hall political machine, he served in the New York State Assembly, the New York State Senate, and as Manhattan Borough President.[1] He was owner of the T. J. Hayes Printing Company which published plays and other works related to the theatre.[2]