On

On, on, or ON may refer to: On a novel by Adam Roberts
Ontario, Canada
A switching state, contrasted with off (state)
"being" in ancient Greek
Ontology, a branch of philosophy that deals with the concept of being (on)
ON, the postnomial abbreviation used by members of the Jamaican Order of the Nation
ON, the postnomial abbreviation for Old Nottinghamian, a person who attended or worked at Nottingham High School
On, a transliteration of the Egyptian name of the city of Heliopolis
On, (Genesis 41:45), connected with "Potipherah, priest of On" (where On may refer to Heliopolis or an Egyptian deity)
O'Nan group, a mathematical group
ON Semiconductor, a leading supplier of power management solutions
Old Norse, a North Germanic language commonly referenced in etymology
Osteonectin, a glycoprotein
osteonecrosis
Overground Network, a railway scheme in South London
Nintendo On, a fake video game console
Air Nauru, IATA airline designator ON
ITV Digital, a failed British digital television service originally named ONdigital
Leg side, in the game of cricket
The On'yomi reading of Japanese kanji characters
The Overmyer Network an ill-fated US television network
Ön, a 1966 Swedish film

In popular music

On (band), a musical project by Ken Andrews of Failure
On (Boom Boom Satellites album), an album by Boom Boom Satellites
On (Gary Glitter album), an album by Gary Glitter
On (Echobelly album), an album by Echobelly
On (EP), by Aphex Twin
On (Imperial Teen album), a 2002 album by Imperial Teen
On, a song by the British band Bloc Party from A Weekend in the City

Translation

The word "On" occurs as such in the following languages: English, Dutch, Slovak, Finnish, Turkish.

Translation(s) in other languages: German: ON, French: ON, Korean: ON, Italian: ON, Japanese: ON, Portuguese: ON.