| Watakataui | |
| Nativename: | Waxei |
| States: | Papua New Guinea |
| Region: | East Sepik Province |
| Speakers: | 750 |
| Date: | 2020 |
| Ref: | e25 |
| Familycolor: | Papuan |
| Fam1: | Sepik |
| Fam2: | Bahinemo |
| Iso3: | wtk |
| Glotto: | wata1251 |
| Glottorefname: | Watakataui |
Watakataui is a Sepik language spoken in two villages of East Sepik Province, Papua-New Guinea.