The Southeast Papuan or Papuan Peninsula ("Bird's Tail") languages are a group of half a dozen small families of Papuan languages in the "Bird's Tail" (southeastern peninsula) of New Guinea that are part of the Trans–New Guinea (TNG) phylum.

The languages are as follows:[1] They have in common ya for 'you' (plural) instead of proto-TNG *gi.

Usher (2020) reconstructs the pronouns as:[2]