Proto-Torres–Banks language
| Proto-Torres-Banks | |
|---|---|
| PTB | |
| Reconstruction of | Torres–Banks languages | 
| Region | Torres and Banks Islands | 
| Era | after 1000 BCE | 
| Reconstructed ancestors | Proto-Austronesian
 
 | 
Proto-Torres-Banks (abbr. PTB) is the reconstructed ancestor of the seventeen languages of the Torres and Banks Islands of Vanuatu. Like all indigenous languages of Vanuatu, it belongs to the Oceanic branch of the Austronesian languages.
More specifically, it is the shared ancestor of the following modern languages (ranked geographically, from NW to SE): Hiw, Lo-Toga, Lehali, Löyöp, Volow, Mwotlap, Lemerig, Vera'a, Vurës, Mwesen, Mota, Nume, Dorig, Koro, Olrat, Lakon, and Mwerlap.