Omar Khayyam (1048–1131) was a Persian poet, mathematician, philosopher and astronomer.

Omar Khayyam may also refer to:

Entities

• Omar Khayyam (horse) (1914–1938), a British-born Thoroughbred racehorse
• Omar Khayam (protester) (born 1983), British protester who dressed as a suicide bomber

Film

• Omar Khayyam (silent film), a 1921 film
• Omar Khaiyyam, a 1946 Bollywood film
• Omar Khayyam (film), a 1957 film
• The Omar Khayyam Show, Spike Milligan's 1963 remake of his series The Idiot Weekly

Music

• Omar Khayyám, a 1906 choral work by Sir Granville Bantock

Places

• Omar Khayyam (crater), a lunar crater on the far side from the Earth
• Omar Khayyam Square, a city square in Nishapur, Iran

See also

• Omar (disambiguation)
• Khayyam (disambiguation)
• Kerry Wendell Thornley (1938–1998), co-founder of Discordianism, who wrote as Omar Khayyam Ravenhurst
• Omar the Tentmaker (film), a 1922 film directed by James Young and featuring Boris Karloff