| Named By: | A. S. Romer in 1937 |
| Time Period: | Unavailable |
| Location: | USA, New Mexico - Cutler Formation |
| Size: | Unavailable |
| Diet: | Unavailable |
| Fossil(s): | Partial remains |
| Classification: | | Chordata | Synapsida | Pelycosauria | |
Nitosaurus is an extinct genus of non-mammalian synapsid.