She first appeared in one episode of The Suite Life of Zack and Cody as Gwen and in some episodes of Hannah Montana as Mikayla. She also stars as Alex Russo in the Disney Channel Original Series Wizards of Waverly Place. She also appeared in an episode of Sonny with a Chance and its spin-off, So Random!, as herself. Additionally, she performed the theme song of Shake It Up and made a cameo as herself in The Muppets. She also guest starred in Episode 1 of the Disney Channel reality series PrankStars. She was mentioned in the Stuck in the Middle episode "Stuck in the Harley Car" and the MECH-X4 episodes "Let's Call It Mech-X4!" and "Let's Go Clubbing!". She also performed the end credits song for Tinker Bell.
|2009||Princess Protection Program||Carter Mason||lead role|
|2009||Wizards of Waverly Place: The Movie||Alex Russo||lead role|
|2006||The Suite Life of Zack and Cody||Gwen||Episode: "A Midsummer's Nightmare"|
|2007||What's Stevie Thinking?||Stevie||Unaired Pilot|
|2007-2008||Hannah Montana||Mikayla||3 episodes|
|2007-2012||Wizards of Waverly Place||Alex Russo||Lead Role; 106 episodes|
|2008||Jonas Brothers: Living the Dream||Herself||Episode: "Hello Hollywood"|
|2009||The Suite Life on Deck||Alex Russo||Episode: "Double Crossed"|
|2009||Sonny with a Chance||Herself||Episode: "Battle of the Networks' Stars"|
|2011||So Random!||Herself||Episode: "Selena Gomez"|
|2011||PrankStars||Herself||Episode: "Something to Chew On"|
|2013||The Wizards Return: Alex vs. Alex||Alex Russo/Evil Alex||Made-for-television episode|
|2018||Guyver Supernova||Alex||Episode :"Darkness Rises"|
- Selena Gomez was best friends with fellow Disney star Demi Lovato. The pair first met in 2002 when they were cast on the children's PBS show Barney & Friends, but on September 29, 2015, Lovato confirmed that they were no longer friends.
- In the film Zootopia, her name is parodied as "Hyena Gomez" on Judy's music player.