| Named By: | P. Vincent & R. B. J. Benson in 2012 |
| Time Period: | Early Jurassic, 201.3-199.6 Ma |
| Location: | England, Dorset, Lyme Regis - Lias Group |
| Size: | Unavailable |
| Diet: | Piscivore |
| Fossil(s): | Skull and partial post cranial remains (NHMUK 49202 and NHMUK OR1336) |
| Classification: | | Chordata | Reptilia | Sauropterygia | Plesiosauria | |
Anningasaura is an extinct genus of basal plesiosaur. It is known from a single type species, A. lymense, discovered in Early Jurassic rocks of Lyme Regis in the United Kingdom.