- Language: Dimasa
- Alternate names: Hill Kachari, Dimasa Kachari
- Language code: dis
- Language family: Sino-Tibetan, Tibeto-Burman, Sal, Bodo-Garo-Northern Naga, Bodo-Koch, Bodo-Garo, Bodo (SIL classification)
- Number of speakers: 112,000
- Vulnerability: risk
- Script: Bengali script. Latin script.
A Scheduled Tribe. Some ethnic Dimasa speak other languages as L1: Mikir Karbi (See: [[Karbi]]), Bengali (See: [[Bengali]]), and Assamese (See: [[Assamese]]). Hindu, traditional religion, Christian.
Dimasa is spoken in India, South Asia.