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

Khayyam may also refer to:

• Khayyam, Nishapur, a village and site of the 2004 Nishapur train disaster
• Khayyam, Kermanshah, a former village, now borough of the city of Kermanshah
• Khayam Metro Station, a station on the Tehran Metro Line at Khayam Street
• Khayyam Expressway, an expressway in Esfahan
• Omar Khayyam Square, a city square in Nishapur

• Mohammed Zahur Khayyam (1927–2019), commonly credited as 'Khayyam', Indian music composer
• Amina Khayyam (born 1980), British dancer
• Omar Khayam (protester) (born 1983), British protester who dressed as a suicide bomber

• Khayyam Mirzazade (born 1935), Azerbaijani composer and professor

• Khayyam triangle
• Khayyam quadrilateral
• Kerry Wendell Thornley (1938–1998), co-founder of Discordianism, who wrote as Omar Khayyam Ravenhurst
• Omar Khayyam (disambiguation)

This disambiguation page lists articles associated with the title Khayyam.
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