G
- Chris Gaines
- Gangsta Shop Quartet - MADtv
- Garyuu Wave/The Gavinners - Gyakuten Saiban 4/Apollo Justice: Ace Attorney
- The Gas Station Dogs - The Best Show on WFMU
- Robin Gatner - Girls! Girls! Girls!
- Sueleen Gay - Nashville
- The Geeks - El Tigre: The Adventures of Manny Rivera
- Gemini's Twin - Saturday Night Live
- Generation O - Generation O!
- Generic Boy Band - Seriously Weird
- George Strait To The Principal - Nickelodeon Magazine April 1997 I Was Country When I Was In School Pull Out Prank CD cover
- Geronimo Jackson - Lost
- Getting Gay With Kids - South Park
- Get Thee Hence - Metalocalypse, Parody of Papa Roach
- Gandhi's Hairdryer - Raiders of the Lost Car Park
- The Ghetto Avenue Boys - South Park
- The Ghostbusters - The Real Ghostbusters
- Ghoulio - The 13 Ghosts of Scooby Doo
- Julie Gianni - Vanilla Sky
- Katie Gibbs - A Cinderella Story: Once Upon a Song (movie)
- Gidget and the Gories - Gidget
- Gig and Jet - Beverly Hills Teens
- Gingivitis - Zits
- Ginger Fox- iCarly
- Giri - Jem, "In Stitches"
- Girls Dead Monster - Angel Beats!
- Carlotta Giudicelli - The Phantom of The Opera
- Glam Damage - Needle in the Groove
- Glasses McDracula - My Boys
- Gloria - Rude Dog and The Dweebs
- Cranston Goat - Cats Don't Dance
- God's Cock - Extract
- Goggly Gogol - A Clockwork Orange
- Golden Goddess - Shadowrun
- Goldie Pheasant - Rock-A-Doodle
- The Good Ole Boys - The Blues Brothers
- Gorillaz
- The Gospelodeons - Cotton Comes to Harlem
- Gown - Hot Rod
- Dreyfuss Gultch (country western singer) - Howard The Duck, published by Marvel Comics.
- Gourmet Scum - Degrassi Junior High & Degrassi High
- Macarena Granados - La niña de tus ojos
- The Grave Matthews Band - The Simpsons
- Great White Lion Snake - Amazing Joy Buzzards
- Gray Star - The Adventures of Jimmy Neutron: Boy Genius
- Lois Griffin - Family Guy
- Grimley Colliery Brass Band - Brassed Off
- Grivo - The Kids In The Hall: Brain Candy
- The Grundo Bounding Band- The Adventures of Teddy Ruxpin, "L.B.'s Wedding"
- The Grunges- The Adventures of Teddy Ruxpin
- The Groovy Ghoulies
- Guil-T - Round House, parody of Ice-T
- Gutter Cats - Married...With Children"
- The Gullwings - Final Fantasy X-2
Read more about this topic: List Of Fictional Music Groups