On

On, on, or ON may refer to:

Arts and entertainment

Music

• On (band), a musical project by Ken Andrews of Failure
• On (Aphex Twin album), by Aphex Twin
• On (Boom Boom Satellites album), a 2006 album by Boom Boom Satellites
• On (Echobelly album), a 1995 album by Echobelly
• On (Gary Glitter album), a 2001 album by Gary Glitter
• On (Imperial Teen album), a 2002 album by Imperial Teen
• On (Jean album), 2006
• "On", a song by the British band Bloc Party on A Weekend in the City

Other media

• Ön, a 1966 Swedish film
• On (Japanese prosody), the counting of sound units in Japanese poetry
• On (novel), by Adam Roberts
• ONdigital, a failed British digital television service, later called ITV Digital
• Overmyer Network, a former US television network

Places

• On (Ancient Egypt), a Hebrew form of the ancient Egyptian name of Heliopolis
• Ontario, a Canadian province

Science, technology, and mathematics

Biology and medicine

• Operative note, documentation of care relating to an operation
• Optic neuritis, especially relevant in multiple sclerosis
• Osteonecrosis, death of bone tissue
• Osteonectin, a glycoprotein

Other uses in science, technology, and mathematics

• ON Semiconductor, a semiconductor manufacturing company
• O'Nan group, a mathematical group
• OS/Net, the OpenSolaris Community

Other uses

• On (biblical figure), son of Pelath
• Air Nauru (IATA airline designator ON)
• Leg side, in the game of cricket
• Old Norse, a North Germanic language commonly referenced in etymology
• Ontology, a branch of philosophy that deals with the concept of being
• On'yomi, reading of Japanese kanji characters
• Order of the Nation, a Jamaican honour
• Overground Network, a railway scheme in South London

See also

• Yōon