| Movie | 2006 | Prehistoric Park | Himself | |
| Movie | 2023 | Wild El Salvador: In the Shadow of the Volcanoes | Self - Presenter | |
| Movie | 2008 | Help! I'm No Bigger Than a Bug | Self | |
| Movie | 2025 | Forgotten Bloodlines: Agate | Himself | |
| Movie | 2000 | Bloodsuckers | Self | |
| Movie | 2002 | Land of Giants: A Walking With Dinosaurs Special | Himself | |
| Movie | 2024 | Wild Slovakia with Nigel Marven | | |
| Movie | 2024 | Divoká príroda Slovenska s Nigelom Marvenom - film o filme | | |
| Movie | 2002 | Walking With Dinosaurs Special: The Giant Claw | Himself - Presenter | |
| TV Show | 2006 | Prehistoric Park | Nigel Marven | 6 |
| TV Show | 1992 | The Tonight Show with Jay Leno | Self | 1 |
| TV Show | 2007 | Primeval | | 1 |
| TV Show | 2008 | Jaguar Adventure With Nigel Marven | Himself - Presenter | 6 |
| TV Show | 2003 | Sea Monsters | Self | 3 |
| TV Show | 2003 | King of the Jungle | Self | 34 |
| TV Show | 2007 | Polar Bear Week with Nigel Marven | Himself - Presenter | 5 |
| TV Show | 2007 | Nigel Marven's Shark Island | | 5 |
| TV Show | 2012 | Wild Colombia with Nigel Marven | Self | 4 |
| TV Show | N/A | Penguin Adventure with Nigel Marven | | 5 |
| TV Show | 2011 | Panda Adventure with Nigel Marven | Self - Presenter | 5 |
| TV Show | 2002 | Chased by Dinosaurs | Himself | 2 |
| TV Show | 2014 | Ten Deadliest Snakes with Nigel Marven | Self | 12 |
| TV Show | 2011 | Untamed China | | 6 |
| TV Show | 1994 | Ready Steady Cook | Self - Guest | 1 |
| TV Show | 2020 | Wild Central America | Presenter | 2 |
| TV Show | 2013 | Whale Adventure with Nigel Marven | Narrator | 4 |
| TV Show | 2010 | Conan | Self | 1 |
| TV Show | 2007 | Hider in the House | Self | 1 |
| TV Show | 2018 | Untamed Philippines | Director | 3 |
| TV Show | 2018 | Untamed Philippines | Producer | 3 |
