| Kumbewaha | |
| Region: | Buton Island, Sulawesi, Indonesia |
| Speakers: | 3,400 |
| Date: | 2004 |
| Ref: | e18 |
| Familycolor: | Austronesian |
| Fam2: | Malayo-Polynesian |
| Fam3: | Celebic |
| Fam4: | Muna–Buton |
| Fam5: | Buton |
| Iso3: | xks |
| Glotto: | kumb1274 |
| Glottorefname: | Kumbewaha |
Kumbewaha (Umbewaha) is an Austronesian language spoken on Buton Island off the southeast coast of Sulawesi in Indonesia.