- A Sino-Tibetan language, related to Garo, spoken in northeastern India and adjacent areas of Bangladesh.
- 1981, Milton S. Sangma, History and Culture of the Garos, page 136:
- In fact, other Garo groups hardly understand the Atong language.
- 2014, Seino van Breugel, A Grammar of Atong, →ISBN:
- A Grassfields-Bantu language of Cameroon.