| Named By: | Ebenezer Emmons in 1856 |
| Time Period: | Late Triassic |
| Location: | Germany, Mexico, Switzerland, USA - Arizona, New Jersey, New Mexico, New York, North Carolina, Pennsylvania and Texas |
| Size: | Between 3 and 8 meters long depending upon species and attributed fossil material |
| Diet: | Carnivore |
| Fossil(s): | Multiple specimens |
| Classification: | | Chordata | Reptilia | Archosauria | Phytosauria | Phytosauridae | |
| Also known as: | | Palaeonornis | Machaeroprosopus | |
Rutiodon ("Wrinkle tooth") is an extinct genus of archosaur belonging to the family Phytosauridae. It lived during the Late Triassic period, and was about 3 to 8 meters in length. Rutiodon is known from the eastern United States (North Carolina, New York, New Jersey).