- Language: Tanahmerah
- Alternate names: Sumeri
- Language code: tcm
- Language family: Trans-New Guinea, Tanah Merah (SIL classification)
- Number of speakers: 500
- Vulnerability: Endangered
Distinct from Tanahmerah (Tabla) of Sentani (See: [[Sentani]]) branch. Christian, traditional religion.
Not to be confused with several other places and languages in Indonesian Papua also called tanahmerah (literally 'brown earth' in Malay)