| Movie | 2010 | Teenage Paparazzo | Self (uncredited) | |
| Movie | 2023 | Schoolhouse Rock! 50th Anniversary Singalong | Self | |
| Movie | 2007 | Knocked Up | Self (uncredited) | |
| Movie | 2013 | Justin Bieber's Believe | Self | |
| Movie | 2021 | Christmas In Florida | | |
| Movie | 2012 | FOX 25th Anniversary Special | Self - Host | |
| Movie | 2002 | American Idol: The Search For A Superstar | Host | |
| Movie | 2023 | iHeartRadio Jingle Ball 2023 | Self - Host | |
| Movie | 2005 | American Idol: The Best of Seasons 1-4 | Self - Host (archive footage) | |
| Movie | 2011 | New Year's Eve | Self | |
| Movie | 2024 | Disney Legends Awards Ceremony | Self - Host | |
| Movie | 2005 | American Idol: The Worst of Seasons 1-4 | Self - Host | |
| Movie | 2010 | Shrek Forever After | Father of Butter Pants (voice) | |
| Movie | 2017 | Double Dutchess: Seeing Double | | |
| Movie | 2011 | A Man's Story | Self | |
| Movie | 2005 | Rhythm City Volume One: Caught Up | Self | |
| Movie | 2014 | Jennifer Lopez: Dance Again | Self | |
| Movie | 2020 | FOX Presents the iHeart Living Room Concert for America | Self | |
| Movie | 2020 | The Disney Family Singalong | Self - Host | |
| Movie | 2020 | The Disney Family Singalong - Volume II | Self | |
| Movie | 2008 | Get Smart | Ryan Seacrest (voice) | |
| Movie | 2020 | The Stand In | Ryan Seacrest | |
| Movie | 2009 | Carrie Underwood: An All-Star Holiday Special | Self | |
| Movie | 2006 | Walt Disney World Christmas Day Parade | Self - Host | |
| Movie | 2007 | Walt Disney World Christmas Day Parade | Self - Host | |
| Movie | 2008 | Walt Disney World Christmas Day Parade | Self - Host | |
| Movie | 2009 | Disney Parks Christmas Day Parade | Self - Host | |
| Movie | 2010 | Disney Parks Christmas Day Parade | Self - Host | |
| Movie | 2003 | Playboy's 50th Anniversary Celebration | | |
| TV Show | 2006 | Talkshow with Spike Feresten | | 1 |
| TV Show | 1989 | The Simpsons | Ryan Seacrest (voice) | 1 |
| TV Show | 2003 | The Ellen DeGeneres Show | Self | 5 |
| TV Show | 2003 | Jimmy Kimmel Live! | Self | 4 |
| TV Show | 1990 | Beverly Hills, 90210 | Lovers' Lane Host | 1 |
| TV Show | 1988 | LIVE with Kelly and Mark | Self - Guest | 2 |
| TV Show | 1997 | The View | Self | 3 |
| TV Show | 2019 | Tamron Hall | Self - Guest | 1 |
| TV Show | 1992 | The Tonight Show with Jay Leno | | 6 |
| TV Show | 2006 | The Janice Dickinson Modeling Agency | | 1 |
| TV Show | 1993 | Late Night with Conan O'Brien | Self - Guest | 1 |
| TV Show | 2006 | There & Back | | 1 |
| TV Show | 2004 | On Air with Ryan Seacrest | Self - Host | 87 |
| TV Show | 2003 | American Juniors | host | 17 |
| TV Show | 1999 | The Late Late Show with Craig Kilborn | Self | 1 |
| TV Show | 2003 | The New Tom Green Show | Self | 1 |
| TV Show | 1949 | The Emmy Awards | Self | 1 |
| TV Show | 2002 | Live from E! | Self - Host | 69 |
| TV Show | 2023 | The Muppets Mayhem | Ryan Seacrest | 1 |
| TV Show | 2018 | The Rookie | Ryan Seacrest | 1 |
| TV Show | 2002 | New Year's Eve Live | Host | 3 |
| TV Show | 1988 | LIVE with Kelly and Mark | Self - Guest Host | 4 |
| TV Show | 2014 | Late Night with Seth Meyers | Self | 1 |
| TV Show | 2015 | Knock Knock Live | Host | 2 |
| TV Show | 2003 | Punk'd | Self | 1 |
| TV Show | 2008 | Pioneers of Television | Self - Narrator (voice) | 5 |
| TV Show | 2013 | The Wanted Life | Self | 1 |
| TV Show | 1972 | Dick Clark's New Year's Rockin' Eve with Ryan Seacrest | Self - Host | 39 |
| TV Show | 1972 | Dick Clark's New Year's Rockin' Eve with Ryan Seacrest | Self - Co-Host | 7 |
| TV Show | 2019 | The Kelly Clarkson Show | Self | 1 |
| TV Show | 2018 | American Idol | Self - Host | 159 |
| TV Show | 2022 | Generation Gap | Self | 1 |
| TV Show | 2003 | The Pitts | Ryan Seacrest | 1 |
| TV Show | 2002 | American Idol | Self - Host | 567 |
| TV Show | 2009 | Watch What Happens Live with Andy Cohen | Self - Guest | 3 |
| TV Show | 1988 | LIVE with Kelly and Mark | Self - Host | 1145 |
| TV Show | 2007 | Keeping Up with the Kardashians | Self | 3 |
| TV Show | 2021 | Wahl Street | Self (archive footage) (uncredited) | 1 |
| TV Show | 2021 | Home Economics | Self | 1 |
| TV Show | 1981 | Entertainment Tonight | Self | 3 |
| TV Show | 2014 | Enlisted | Self | 1 |
| TV Show | 2014 | The Tonight Show Starring Jimmy Fallon | Self | 2 |
| TV Show | 2008 | The Miley and Mandy Show | | 2 |
| TV Show | 2016 | American Housewife | Ryan Seacrest | 1 |
| TV Show | 1983 | Wheel of Fortune | Self - Host | 193 |
| TV Show | 2021 | Celebrity Wheel of Fortune | Self - Host | 10 |
| TV Show | 2005 | Dancing with the Stars | Self - Video Message | 1 |
| TV Show | 2003 | Jimmy Kimmel Live! | Self - Guest | 2 |
| TV Show | 1975 | Good Morning America | Self | 1 |
