| Named By: | P. Taquet & S. P. Welles in 1977 |
| Time Period: | Middle Jurassic, 164 Ma |
| Location: | France, Lower Normandy - Marnes de Dives Formation |
| Size: | Uncertain due to lack of remains, though comparisons to other theropod fossils indicates that it was at least a large theropod, possibly around the nine meter mark |
| Diet: | Carnivore |
| Fossil(s): | Braincase |
| Classification: | | Chordata | Reptilia | Dinosauria | Saurischia | Theropoda | Megalosauridae | Afrovenatorinae | |
| Also known as: | | Eustreptospondylus divesensis | Proceratosaurus divesensis | |
Piveteausaurus (meaning "Jean Piveteau's lizard") is a genus of theropod dinosaur known from a partial skull discovered in the Middle Jurassic Marnes de Dives formation of Calvados, in northern France.