OG
OG, O.G., or Og may refer to:
Arts and entertainment
Characters
- Og, in Time Bandits
 - Og, in Mike, Lu & Og
 - Og, the leprechaun in the stage musical Finian's Rainbow and the subsequent film adaptation
 - Ogden "Og" Morrow, in Ready Player One
 - Original Girls, in the TV series Teen Mom OG
 
Music
- "O.G.", a song by Snoop Dogg from Death Row: The Lost Sessions Vol. 1
 - "O.G. Original Gangster", a song by Ice-T
 - Omnium Gatherum, or OG, a Finnish band
 
Other uses in arts and entertainment
- O.G. (film), a 2018 film
 - OG (2025 film), an Indian gangster film by Sujeeth
 - Og, the setting of the novel The Secret World of Og and its associated film
 
People
- Og, an ancient Amorite king of Bashan
 - OG Anunoby (born 1997), British basketball player
 - Ogom Chijindu, Nigerian sportswoman known as "OG"
 
Science and technology
- Oganesson, symbol Og, a chemical element
 - Obstetrics and gynaecology
 - Orange G, a synthetic dye
 - Original gravity, used in calculating the alcohol content of a drink
 - og, a namespace identifier typically tied in web pages to the Facebook Open Graph protocol
 
Sports
- OG (esports), a professional Dota 2 team
 - Offensive guard, a player position in American and Canadian football
 - Own goal, goal scored for the opposition
 
Other uses
- Original Gangsters (gang), a Swedish gang
 - River Og, Wiltshire, England
 - One-Two-GO Airlines (IATA airline code: OG)
 
See also
Search for "og"  on Wikipedia.