Bwisi language should not be confused with Talinga-Bwisi language.
| Bwisi | |
| States: | Congo, Gabon |
| Date: | 2000 |
| Ref: | e18 |
| Familycolor: | Niger-Congo |
| Fam2: | Atlantic–Congo |
| Fam3: | Benue–Congo |
| Fam4: | Bantoid |
| Fam5: | Bantu (Zone B) |
| Fam6: | Sira (B.40) |
| Iso3: | bwz |
| Glotto: | bwis1242 |
| Glottorefname: | Bwisi |
| Guthrie: | B.401 |
Bwisi (also spelled Ibwisi, Mbwisi) is a language spoken mainly in the Kibangou District (Niari Region) of the Republic of Congo, next to the Gabon border, where it is also spoken by a minority. According to the Ethnologue, approximately 4,250 people speak the language today worldwide.