| Yawiyo | |
| States: | Papua New Guinea |
| Region: | East Sepik Province |
| Speakers: | 66 |
| Date: | 2000 census |
| Ref: | e18 |
| Familycolor: | Papuan |
| Fam1: | Sepik |
| Fam2: | Leonhard Schultze |
| Fam3: | Walio |
| Iso3: | ybx |
| Glotto: | yawi1238 |
| Glottorefname: | Yawiyo |
Yawiyo (Yabio) is a Sepik language spoken in East Sepik Province, Papua-New Guinea.