Sangtam, also called Thukumi, Isachanure, or Lophomi, is a Naga language spoken in northeast India. It is spoken in Kiphire District and in the Longkhim-Chare circle in Tuensang district, Nagaland, India.
Ethnologue lists the following dialects of Sangtam.
The standardized dialect of Sangtam is based on the Tsadanger village speech variety.
Sangtam is unusual in having two stops with bilabial trilled release, , which contrast with each other phonemically.
All vowels can have high, mid, or low tone.