| Austro-Tai | |
|---|---|
| (proposed) | |
| Geographic distribution | Southeast Asia, East Asia |
| Linguistic classification | proposed language family |
| Subdivisions | |
| Glottolog | None |
 The historical distribution of Austronesian languages | |
 Distribution of the Tai–Kadai language family. | |
The Austro-Tai languages, sometimes also Austro-Thai languages, are a proposed language family that comprises the Austronesian languages and Kra–Dai languages.
Related proposals include Austric (Wilhelm Schmidt in 1906) and Sino-Austronesian (Laurent Sagart in 1990, 2005).