List of reptiles of Great Britain
The reptiles of Great Britain include three native snakes and three native lizards. A number of sea turtles visit Great Britain's shores. There are also at least seven introduced reptile species.
Snakes (Serpentes)
| Image | Name | Head | Head | Distribution |
| Common adder | ||||
| Barred grass snake | ||||
| Smooth snake |
Lizards (Lacertilia)
| Image | Name | Distribution |
| Slow worm '' | ||
| Viviparous lizard | ||
| Sand lizard |
Sea turtles (Chelonioidea)
| Image | Name | Distribution | |
| Leatherback sea turtle | Foraging | ||
| Loggerhead sea turtle | Vagrant | ||
| Green sea turtle | Vagrant | ||
| Hawksbill sea turtle | Vagrant | ||
| Kemp's ridley sea turtle | Vagrant | ||
| Olive ridley sea turtle | Vagrant |
Pond turtles (Emydidae)
| Image | Name | Distribution | |
| European pond turtle | Extirpated - currently extinct in Britain but the rewilding organisation, Celtic Rewilding, aims to reintroduce them by 2026. |
Introduced species
- Red-eared slider, Trachemys scripta elegans
- Common wall lizard, Podarcis muralis
- Italian wall lizard, Podarcis siculus
- Western green lizard, Lacerta bilineata - possible extirpated native
- Aesculapian snake, Zamenis longissimus - former native
- Grass snake, ''Natrix natrix''