W
- Waffles - This Is Spinal Tap
- Charlie Waffles - Two and A Half Men
- Wailing Fungus - Futurama
- The Waistline Connection
- Wade Collins - iCarly
- Wall E. Weasel Band - The Simpsons
- Celestina Warbeck - Harry Potter
- Warren Cheswick Experience - Ed
- The Warts - The Mothers-in-Law
- The Way Outs - The Flintstones
- The Warner Brothers (and Sister) - Animaniacs
- Water Works - The Suite Life of Zack & Cody
- We Stink - Arthur
- Weird Sisters - Harry Potter
- Weiß - Weiß Kreuz
- We're Certainly Dwarfs - Soul Music
- West Texas Rednecks - World Championship Wrestling (WCW)
- Clarissa Wellington - The Simpsons
- Rusty Wells - Girl Happy
- The Wharvey Gals - O Brother, Where Art Thou
- Tammy Whinette - ] April 1997 I Was Country When I Was In School Pull Out Prank CD cover
- Whirling Death Spike - Marathon 1
- Connie White - Nashville
- White Gold - Milk commericals
- Wildwind - Scooby Doo and The Legend of the Vampire
- Emma Williams - Sparkle (2012)
- Ink Williams - ] April 1997 I Was Country When I Was In School Pull Out Prank CD cover
- Sparkle Williams - Sparkle (2012)
- Willy The Operatic Whale - Disney's Willy The Operatic Whale
- Winifred - Nashville
- The Winners - Suck
- Carl Winslow - Family Matters
- Eddie Winslow - Family Matters
- The Winslows - Family Matters
- The Who Cares? - MAD Magazine October 1990, "Endangered Species of the Music World"
- Whoa! - 2gether
- The Why - Married With Children
- Curt Wild - Velvet Goldmine
- Lorice Williams - El Tigre: The Adventures of Manny Rivera
- Mike Windgren - Fun in Acapulco
- Amara Winter - Mama I Want To Sing
- Sue Anne Winters - Quantum Leap
- Winter & Calder - Newton's Wake: A Space Opera by Ken MacLeod
- Winx Rock Band - The Winx Club
- The Wishbones - The Wishbones by Tom Perrotta
- Stinky Wizzleteats - Ren and Stimpy
- Woodchuck Berry - The Raccoons
- Wombat Vengeance - Rock 'n' Roll High School Forever
- The Wonders (originally The Oneders) - That Thing You Do!
- Jason Wood - Press Gang and Chalk
- Wreck 55 - W.I.T.C.H.
- Wülfsmooøn-Big Top Scooby Doo
- The Wriggles - The Simpsons
- Wyckyd Sceptre - Mr. Show
- Wyld Stallyns - Bill & Ted's Excellent Adventure, Bill & Ted's Bogus Journey
- Wylde Ratttz - Velvet Goldmine
Read more about this topic: List Of Fictional Music Groups