| Named By: | Andrews in 1909 |
| Time Period: | 170-145 Ma Middle-Late Jurassic |
| Location: | England, France and India |
| Size: | Estimated at up to 6to 10 meters long |
| Diet: | Piscivore/Carnivore |
| Fossil(s): | Few specimens, best known from skulls |
| Classification: | | Chordata | Reptilia | Sauropterygia | Plesiosauria | Pliosauroidea | Pliosauridae | |
Simolestes (meaning "hearkening thief") is an extinct pliosaurid genus that lived in the Middle to Late Jurassic. Fossils have been found in England, France and India.
Simolestes could exceed 10m in length.