| Movie | 2009 | Josie Long: Trying Is Good | Herself | |
| Movie | 2012 | The Women of Doctor Who | | |
| Movie | 2012 | Let’s Go Swimming | Josie | |
| Movie | 2013 | Josie Long: Romance & Adventure - Live | | |
| Movie | 2013 | Rain on Film | Josie | |
| Movie | 2021 | Quentin Blake – The Drawing of My Life | Self | |
| Movie | 2013 | Romance & Adventure | Josie | |
| Movie | 2014 | God Help the Girl | Maxine | |
| Movie | 2016 | Josie Long: Cara Josephine | | |
| Movie | 2024 | Curious People: An Incomplete History of Nine Lessons & Compendium | | |
| Movie | 2009 | Kindness & Exuberance | | |
| Movie | 2018 | Super November | Josie | |
| Movie | 2010 | Robin Ince: 9 Lessons and Carols for Godless People | Self | |
| Movie | 2014 | Marilyn Myller | Marilyn Myller (voice) | |
| Movie | N/A | More Nine Lessons and Carols For Godless People | Herself | |
| TV Show | 2007 | Skins | Josie | 3 |
| TV Show | 2008 | What the Dickens? | Self | 2 |
| TV Show | 2009 | You Have Been Watching | Self | 3 |
| TV Show | 2006 | Thank God You're Here | | 2 |
| TV Show | 2016 | Celebrity Island with Bear Grylls | Self | 9 |
| TV Show | 2014 | Alan Davies: As Yet Untitled | Self | 1 |
| TV Show | 2016 | Dara O Briain's Go 8 Bit | | 1 |
| TV Show | 2010 | The Bubble | Self | 1 |
| TV Show | 2003 | Brain Candy | Self - Comedian | 1 |
| TV Show | 2013 | 8 Out of 10 Cats Does Countdown | Self | 1 |
| TV Show | 1996 | Never Mind the Buzzcocks | Self | 1 |
| TV Show | N/A | Have I Got a Bit More News for You | Self - Panellist | 1 |
| TV Show | 2013 | 8 Out of 10 Cats Does Countdown | Self - Dictionary Corner | 1 |
| TV Show | 2017 | Richard Osman's House of Games | Self - Contestant | 10 |
| TV Show | 2021 | The Weakest Link | Self - Participant | 1 |
| TV Show | 2013 | 8 Out of 10 Cats Does Countdown | Self - Contestant | 1 |
| TV Show | 1996 | Never Mind the Buzzcocks | Self - Panellist | 1 |
| TV Show | 2017 | Frankie Boyle's New World Order | Self | 1 |
| TV Show | 2005 | 8 Out of 10 Cats | Self | 3 |
| TV Show | 2024 | Bad Dinosaurs | Young Purple T-Rex (voice) | 8 |
| TV Show | 2013 | @midnight with Chris Hardwick | Self | 1 |
| TV Show | 2020 | Survive | Margaret | 3 |
