| Named By: | I. A. Efremov in 1938 |
| Time Period: | Middle Permian, Guadalupian |
| Location: | Russia |
| Size: | Unavailable |
| Diet: | Unavailable |
| Fossil(s): | At least three skulls |
| Classification: | | Chordata | Reptilia | Anapsida | Procolomorpha | Nycteroleteridae | Nycteroleterinae | |
Nycteroleter is an extinct genus of nycteroleterid parareptile known from the Middle Permian of European Russia.