- Language: Dogrib
- Alternate names: Thlingchadine, Tłı̨chǫ
- Language code: dgr
- Language family: Eyak-Athabaskan, Athabaskan, Northern Athabaskan (SIL classification)
- Number of speakers: 2,470
- Vulnerability: Endangered
- Script: Latin script.
The Detah-Ndilo dialect developed from intermarriage between the Yellowknife subdivision of the Chipewyan and the Dogrib. Lexical similarity 84%% with Southern Slavey; 82%% with Northern Slavey.