| Bai | |
| Nativename: | Bari |
| States: | South Sudan |
| Ethnicity: | Bai |
| Speakers: | 2,500 |
| Date: | 1971 |
| Ref: | e18 |
| Familycolor: | Niger-Congo |
| Fam2: | Seri–Mba |
| Fam3: | Sere |
| Fam4: | Sere–Bviri |
| Iso3: | bdj |
| Glotto: | baii1251 |
| Glottorefname: | Bai |
Bai (Belanda, Biri, BGamba, Gumba, Mbegumba, Mvegumba) is a Ubangian language of South Sudan.
As of 2013, ethnic Bai reside in Khorgana Boma, Beselia Payam, Wau County.[1]