Omar may refer to:
- Omar, an Arabic name (more accurately transliterated `Umar). It means "flourishing" and was the name of one of Muhammad's closest companions and a controversial figure in Islamic history, future Caliph Omar ibn al-Khattāb.
- A common name in Spanish-speaking countries (due to the Arabic influence on Spain).
- Omar ibn al-Khattāb, The second Caliph of Muhammad, the prophet of Islam
- Mohammed Omar, leader of the Taliban of Afghanistan
- Omar Khayyám, a medieval Persian scientist
- Omar Torrijos, the Commander of the Panamanian National Guard and the de facto leader of Panama from 1968 to 1981
- Omar Bradley, one of the main U.S. Army field commanders in North Africa and Europe during World War II
- Omar, also known as Omar Lye-Fook, a British soul singer and musician, one of the founders of the Neo Soul movement of the 1990's
- Gabriel Omar Batistuta, a former Argentine football player
- Omar Rodriguez-Lopez, lead guitarist and composer of The Mars Volta and former guitarist of At the Drive-In
- Omar Little, a character on the HBO drama The Wire
- Omar Epps, an American actor
- Omar Mukhtar, leader of the resistance movement against the Italian military occupation of Libya
- Omar Pinzón, a Colombia backstroke swimmer
- Omar Sharif, an Academy Award nominated Egyptian actor who has starred in many Hollywood films.
- Omar Vizquel, Major League Baseball shortstop playing for the San Francisco Giants
- Omar Samra, the 1st Egyptian to climb Mount Everest
- Omar Naber, Slovenian singer
- Omar Sivori, a former Argentine football player
- Don Omar, a Puerto-Rican reggaeton artist
- Omar Bravo, an international Mexican football player
- Omar, Sulu, a municipality in the Philippines
- Omar (Deus Ex), a fictional group of cyborgs in the computer game Deus Ex: Invisible War.
OMAR is an acronym for:
This name is normally recognized as an Arabic, Hispanic or African American name.