| Named By: | Lebedev in 1987 |
| Time Period: | Capitanian, 260 Ma [1] |
| Location: | Russia - Urpalov Formation |
| Size: | Up to 1.5 meters long |
| Diet: | Herbivore |
| Fossil(s): | Several individuals |
| Classification: | | Chordata | Reptilia | Procolophonomorpha | Pareiasauridae | |
| Also known as: | | Anthodon chlynoviensis | Anthodon rossicus | Pareiasuchus vjatkensis | Scutosaurus rossicus | |
Deltavjatia was a procolophonid reptile from the Tatarian stage of the Permian time period. It had a large body of about 1.5 m (5 ft) in length. Deltavjatia was an herbivore. Deltavjatia lived in what is now Russia. The first specimen of Deltavjatia was a specimen of a skull and lower mandobile (PIN 2212/1), found in the Urpalov Formation in Kotelnich, Vyatka River.
Deltavjatia was named a subtaxon of Pareiasauridae by M.S.Y. Lee in 1997. It was named Deltavjatia vjatkensis by Hartmann & Weinberg in 1937. Pareiasuchus vjatkensis is the alternative combination of Deltavjatia vjatkensis. Deltavjatia vjatkensis was also named Anthodon rossicus by Hartmann & Weinberg in 1937.