| Kwato | |
| Nativename: | Waupe |
| States: | Papua New Guinea |
| Region: | Madang Province |
| Speakers: | 780 |
| Date: | 1981 |
| Ref: | e18 |
| Familycolor: | Papuan |
| Fam1: | Trans–New Guinea |
| Fam2: | Madang |
| Fam3: | Rai Coast |
| Fam4: | Nuru |
| Iso3: | kop |
| Glotto: | kwat1244 |
| Glottorefname: | Kwato |
Kwato or Waupe is a Rai Coast language spoken in Madang Province, Papua New Guinea.