| Named By: | A. W. A. Kellner, D. A. Campos, D. Riff & M. B. Andrade in 2011 |
| Time Period: | Late Cretaceous |
| Location: | Brazil - Adamantina Formation |
| Size: | Uncertain due to lack of fossil remains |
| Diet: | Herbivore |
| Fossil(s): | Front portion of a skull and lower jaws |
| Classification: | | Chordata | Reptilia | Crocodylomorpha | Notosuchia | Sphagesauridae | |
Caryonosuchus is an extinct genus of sphagesaurid notosuchian known from the Late Cretaceous of Sao Paulo State, southeastern Brazil.