Oman, ISO 3166 country code OM

Om (Air Gear), a character from the Air Gear manga.

Olympique de Marseille, a French football club

Georg Ohm, a German physicist.

Olympus OM system, is a family of Olympus SLR cameras made between 1972 and 2002.

Odyssey of the Mind, an international problem-solving competition for students all over the world

Om Records, a San Francisco-based dance music record label, home to artist like J Boogie, Kaskade, and King Kooba

The Great God Om, a fictional deity in the Discworld universe.

Ohm (unit), a unit of electrical resistance.

OM AB, the name of a Swedish exchange which merged with Finnish HEX plc to become OMX

Operation Mindfuck, a very important practice within Discordianism

Order of Merit, post-nominal letters indicating membership in a high non-military award from the British Monarch

Operation Mobilisation, a Christian non-profit missions organization

Order of Manitoba (Canadian decoration postnominal letters)

or 3, a Soulfly album. (often referred to as 3)

Om (John Coltrane album), a 1965 John Coltrane album

OM Festival, Canadian electronic music festival

MIAT-Mongolian Airlines IATA code

OM (album), Negură Bunget album released in 2006.

Omu Peak (2507 m) in the Bucegi Mountains.

Officine Meccaniche, which was an Italian truck manufacturer

Om (band), a stoner metal band

Operating margin

Om River, a river in Russia

Om, often Aum, is a sacred syllable of Hinduism, Buddhism, Jainism and Sikhism. It can also mean: