| Movie | 2010 | Keith Lemon's Fit | Keith Lemon | |
| Movie | 2011 | Celebrity Juice: Too Juicy For TV! | Keith Lemon | |
| Movie | 2009 | Cha'mone Mo'Fo'Selecta! A Tribute to Michael Jackson | | |
| Movie | 2006 | When Comedy Changed Forever | Self | |
| Movie | 2011 | Catherine Tate: Laughing at the Noughties | Self | |
| Movie | 2012 | Keith Lemon: The Film | Keith Lemon / Evil Steve / The Bear / Craig David | |
| Movie | 2023 | Enter the Spider-Verse: A Spider-Man Special | Self | |
| Movie | 2013 | Celebrity Juice: Obscene and Unseen | Keith Lemon | |
| Movie | 2023 | An Audience with Kylie | Self | |
| Movie | 2005 | Comic Aid | | |
| Movie | 2015 | Keith Lemon's Back t'Future Tribute | Keith Lemon / Marty McFly | |
| Movie | 2012 | The Amazing Spider-Man T4 Premiere Special | | |
| Movie | 2019 | Rocketman | Pete | |
| Movie | 2021 | Twist | Warden Bumble | |
| Movie | 2017 | Who Shot Simon Cowell? | Keith Lemon | |
| Movie | 2012 | Celebrity Juice: Too Juicy For TV 2! | Keith Lemon | |
| TV Show | 2005 | A Bear's Tail | The Bear | 6 |
| TV Show | 2004 | Hell's Kitchen | | 1 |
| TV Show | 2002 | Bo' Selecta! | Various Characters | 35 |
| TV Show | 2019 | Shopping with Keith Lemon | Keith Lemon | 32 |
| TV Show | 2006 | Bo! in the USA | Avid Merrion | 6 |
| TV Show | 2013 | Through the Keyhole | Keith Lemon | 47 |
| TV Show | 1995 | The Frank Skinner Show | Self | 1 |
| TV Show | 2007 | Comedy Map of Britain | | 1 |
| TV Show | 2009 | Let's Dance for Comic Relief | Self | 1 |
| TV Show | 2011 | The Jonathan Ross Show | Self | 1 |
| TV Show | 2007 | Britain's Got More Talent | Self | 1 |
| TV Show | 2009 | Live from Studio Five | Self | 4 |
| TV Show | 2001 | Big Brother's Little Brother | Self | 15 |
| TV Show | 2009 | Angela and Friends | | 1 |
| TV Show | 2011 | OK! TV | | 1 |
| TV Show | 2012 | Keith Lemon's LemonAid | | 6 |
| TV Show | 2010 | A Comedy Roast | | 1 |
| TV Show | 2011 | Sing If You Can | | 6 |
| TV Show | 2008 | Celebrity Juice | Keith Lemon - Host | 299 |
| TV Show | 2017 | The Keith And Paddy Picture Show | Keith Lemon / ... | 11 |
| TV Show | 2004 | Big Brother's Big Mouth | Keith Lemon | 8 |
| TV Show | 2010 | Let's Dance for Sport Relief | Keith Lemon - Judge | 1 |
| TV Show | 2009 | Let's Dance for Comic Relief | Keith Lemon - Judge | 2 |
| TV Show | 2011 | Dynamo: Magician Impossible | Self | 1 |
| TV Show | 2018 | The Great Celebrity Bake Off for Stand Up To Cancer | Self - Guest | 1 |
| TV Show | 2008 | Keith Lemon's Very Brilliant World Tour | Keith Lemon | 6 |
| TV Show | 2012 | Lemon La Vida Loca | Keith Lemon | 10 |
| TV Show | 2018 | The Big Narstie Show | Self | 1 |
| TV Show | 2008 | Big Brother: Celebrity Hijack | Himself/Keith Lemon/Craig David - Hijacker | 1 |
| TV Show | 2020 | The Fantastical Factory of Curious Craft | Keith Lemon | 6 |
| TV Show | 2020 | Michael McIntyre's The Wheel | Self - Expert | 1 |
| TV Show | 2011 | Celebrity Big Brother's Bit on the Side | Keith Lemon | 1 |
