| Named By: | C. C. Young in 1944 |
| Time Period: | Early Cretaceous |
| Location: | China, Fusui County |
| Size: | Unavailable |
| Diet: | Piscivore/Carnivore |
| Fossil(s): | Partial remains |
| Classification: | | Chordata | Reptilia | Sauropterygia | Plesiosauria | Pliosauria | |
Sinopliosaurus is a genus of pliosauroid plesiosaur, a type of short-necked marine reptile, from the Early Cretaceous of People's Republic of China. One species, "S." fusuiensis, was later shown to be based on teeth from a spinosaurid theropod dinosaur.