| Walio | |
|---|---|
| Geographic distribution | Sepik River basin, Papua New Guinea | 
| Linguistic classification | Sepik 
 | 
| Glottolog | wali1264 | 
The Walio languages are a small family of clearly related languages, Walio, Pei, Yawiyo, and Tuwari, though they are not close: Walio and Yawiyo have only a 12% lexical similarity. They are frequently classified among the Sepik languages of northern Papua New Guinea, though Glottolog leaves them out.