| Year | Title | Role | Notes |
| 1991 | The Joan Rivers Show | Herself | 1 episode |
| 1994–2004 | Howard Stern | 9 episodes |
| 2002–2005 | The Osbournes | Main role |
| 2003–2006 | The Sharon Osbourne Show | 4 episodes |
| Top of the Pops | 5 episodes |
| 2004 | Life as We Know It | Deborah Tynan | Main role |
| 2005 | The Muppets' Wizard of Oz | Dorothy Gale | Television film |
| Bo' Selecta! | Herself | Episode: "A Bear's Tail" |
| 2006 | Kelly Osbourne: Turning Japanese | Documentary |
| I'm a Celebrity...Get Me Out of Here! NOW! | Presenter (season 6) |
| Making Your Mind Up | Judge (season 8) |
| 2006–2011 | 8 Out of 10 Cats | 5 episodes |
| 2007–2008 | Project Catwalk | Host (season 2–3) |
| 2009 | Osbournes Reloaded | Host; also executive producer |
| Hotel Babylon | Jo | 1 episode |
| Dancing with the Stars | Herself | Contestant (season 9) |
| 2009–2010 | The Ellen DeGeneres Show | 4 episodes |
| 2009–2011 | Fashion News Live | 7 episodes |
| 2009–2021 | Chelsea Lately | 5 episodes |
| Entertainment Tonight | 11 episodes |
| 2010 | RuPaul's Drag U | Episode: "Super Sisters" |
| Piers Morgan's Life Stories | Episode: "Kelly Osbourne" |
| The Spin Crowd | Episode: "Give and Take" |
| 2010–2015 | Fashion Police | Co-host / Panellist | 201 episodes |
| 2010–2020 | The Talk | Herself - Guest | 30 episodes |
| 2011 | Miss USA 2011 | Co-host | Television special |
| 2012 | America's Next Top Model | Herself | Episode: "Kelly Osbourne" |
| RuPaul's Drag Race | Episode: "Float Your Boat" |
| Miss USA 2012 | Television special |
| RuPaul's Drag Race: All Stars | Episode: "All Star Girl Groups" |
| Jane by Design | Episode: "The Second Chance" |
| Are We There Yet? | Megan Jackson | 5 episodes |
| Drop Dead Diva | Joyce Keck | Episode: "Jane's Getting Married" |
| 2013 | Phineas and Ferb | Herself | Episode: "Phineas and Ferb's Musical Cliptastic Countdown Hosted by Kelly Osbourne" |
| Sweat the Small Stuff | 2 episodes |
| 2014 | Global Threads | Television special |
| 2014–2016 | The 7D | Hildy Gloom (voice) | Main role; 42 episodes |
| 2015 | Australia's Next Top Model | Herself | 1 episode |
| 2015–2017 | Project Runway: Junior | Judge |
| 2015–2019 | Celebrity Juice | 5 episodes |
| 2016 | Australia's Got Talent | Judge (season 8) |
| CSI: Cyber | Stella Kaine | Episode: "The Walking Dead" |
| The Eric Andre Show | Herself | Episode: "Warren G; Kelly Osbourne" |
| 2017 | Snoop Dogg presents the Joker's Wild | 3 episodes |
| Home & Family | 1 episode |
| Battle of the Network Stars | Herself - Contestant |
| 2018 | Ozzy & Jack's World Detour | Herself | Main role (season 3) |
| Loose Women | 2 episodes |
| 2019 | The Masked Singer | Contestant (season 2) |
