| Named By: | Jose Bonaparte in 1969 |
| Time Period: | Early Cretaceous, 105 Ma |
| Location: | Argentina, San Luis Privince - Lagarcito Formation. Chile - Santa Ana Formation |
| Size: | 2.5 meter wingspan |
| Diet: | unavailable |
| Fossil(s): | Over 750 known individual specimens |
| Classification: | | Chordata | Reptilia | Pterosauria | Pterodactyloidea | Ctenochasmatidae | |
Pterodaustro is a genus of Cretaceous pterodactyloid pterosaur from South America, which lived 105 million years ago.