Frank Parker Gillmore (May 14, 1867 – March 29, 1943) was an American playwright and a stage and early film actor.

Frank Gillmore appeared as a leading man with the companies of Minnie Fiske, Henrietta Crosman, Mary Mannering, Bertha Kalich and George Fawcett, among others.

Gillmore's stage appearances included a single matinee performance of The Merchant of Venice on October 17, 1895 at the Gaiety Theatre in London, when he played Bassanio,[4] The Ghost of Jerry Bundler at the Haymarket Theatre in London in September 1902,[5] and A Japanese Nightingale which opened at Daly's Theater in New York in November 1903.

He made two silent films, The Fairy and the Waif (1915) and The Lifted Veil (1917).

[3] As President of Actor's Equity Gillmore received The American Arbitration Association's annual gold Commercial Peace Medal in May 1931 "for distinguished service in the establishment of commercial peace through arbitration"[10][11] Frank Gillmore died of cancer in New York City on March 29, 1943, aged 75.