- Language: Meshcherian
- Alternate names: Metserä, meštšera
- Language code: xmes
- Language family: Uralic, Finno-Volgaic (SIL classification)
- Number of speakers: Extinct
An approximative map of the non-Varangian cultures in European Russia, in the 9th century.
The Meshcherian area is shown in red
The Meshchera language was a Uralic spoken by the Meshchera tribe, in what is today the Oka River basin in Russia. Very little is known about the language, but it was probably closely related to the Mordvinic languages Moksha and Erzya. Meshchera language probably became extinct by the 16th century.