Entertainment
- Match Game (MG) (1962–1969; 1973–1979; 1983–1984; 1990–1991), an American television game show
- Mechagodzilla, a fictional character from various films in the Godzilla series
- Memphis Group (M.G.), from the band Booker T. & the M.G.'s fronted by Booker T. Jones
- The MG's (album), an album recorded by Booker T.'s band
- Metal Gear (series) (MG), a video game series directed by Hideo Kojima
- Metal Gear, the first game in the series
- Meteor Garden, a 2001 Taiwanese drama
- Miami Guns, anime series
- MorgenGrauen, a German-language MUD (text-based online role-playing game)
- Mother Goose, a character and poem
- MG (The Perhapanauts), a character in The Perhapanauts comics
- Meg Griffin, a character on Family Guy voiced by Mila Kunis
- Mystery Girl, a Roy Orbison album
- Mondo Generator, an American rock band
- More Games, a gaming company started in 2012
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