On

Look up on in Wiktionary, the free dictionary.

On, on, or ON may refer to:

Language

On, a Basque-language honorific equivalent to Spanish Don (honorific)
On, a preposition
On, one of the French personal pronouns

Arts and entertainment

Music

On (band), a solo project of Ken Andrews
On (EP), a 1993 EP by Aphex Twin
On (Echobelly album), 1995
On (Gary Glitter album), 2001
On (Imperial Teen album), 2002
On (Elisa album), 2006
On (Jean album), 2006
On (Boom Boom Satellites album), 2006
On (Tasmin Archer album), 2006
On (Tau album), 2017
"On" (song), a 2020 song by BTS
"On", a song by Bloc Party from the 2006 album A Weekend in the City
"On", a song by Anson Lo, 2023

Other media

Ön, a 1966 Swedish film
On (Japanese prosody), the counting of sound units in Japanese poetry
On (novel), by Adam Roberts
On-chan, a mascot of Hokkaido Television Broadcasting

Businesses and organizations

Broadcasters

ONdigital, a failed British digital television service, later called ITV Digital
Ongehoord Nederland, a Dutch public broadcaster
Overmyer Network, a former US television network

Other businesses and organizations

On (company), a Swiss athletic shoe and sportswear company
ON Semiconductor, a semiconductor manufacturing company
Nauru Airlines (IATA airline designator ON)
Ordine Nuovo, Italian fascist group
Orka náttúrunnar (ON Power), Icelandic geothermal power company
OS/Net, the OpenSolaris Community

Places

On (Ancient Egypt), a Hebrew form of the ancient Egyptian name of Heliopolis
On, Wallonia, a village now part of the municipality of Marche-en-Famenne
Ahn, Luxembourg, known in Luxembourgish as On
Ontario, a Canadian province
On, Egyptian name of Heliopolis

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

O'Nan group, a mathematical group
On, the proper class of all ordinal numbers

Other uses

On (biblical figure), son of Peleth
On Kawara, Japanese artist
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
ON convoys, a series of WWII trade convoys

See also

O(n)
Yōon

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