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

• They Call Him OG (soundtrack), soundtrack album by Thaman S from the 2025 film of the same name

Other uses in arts and entertainment

• O.G. (film), a 2018 American film

• They Call Him OG, a 2025 Indian 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

• Ogee, an object, element, or curve that has a serpentine- or extended S-shape

• Original (disambiguation)

• 0G (disambiguation)

• Zero-G (disambiguation)