Philip Moeller (26 August 1880 – 26 April 1958) was an American stage producer and director, playwright and screenwriter, born in New York where he helped found the short-lived Washington Square Players and then with Lawrence Langner and Helen Westley founded the Theatre Guild.
Among plays he directed for the Theatre Guild were:
- The Adding Machine (1923)
- The Guardsman (1924)
- They Knew What They Wanted (1924)
- Ned McCobb's Daughter (1926)
- The Second Man (1927)
- Strange Interlude (1928)
- Meteor (1929)
- Dynamo (1929)
- Hotel Universe (1930)
- Elizabeth the Queen (1930)
- Mourning Becomes Electra (1931 - its first production)
- Biography by S. N. Behrman (1932)
- Ah, Wilderness! (1933)
- End of Summer (1936)
- Helena's Husband (1915) one-act play for Washington Square Players on its opening night 4 October 1915
- Madame Sand - a biographical comedy (1917)
- The Roadhouse in Arden (1917)
- Pokey (1918)
- Two blind beggars and one less blind: a tragic comedy in one act (1918)
- Sophie - a comedy (1919)
- Caprice - adaptation of three-act play by Austrian writer Sil-Vara (pseudonym of Geza Silberer) in 1929.
This filmography is believed to be complete.