- Language: Vumbu
- Alternate names: Yivoumbou
- Language code: vum
- Language family: Niger-Congo, Atlantic-Congo, Volta-Congo, Benue-Congo, Bantoid, Southern, Narrow Bantu, Northwest, B, Sira (B.403) (SIL classification)
- Number of speakers: Several Hundred
- Vulnerability: Endangered
- Script: Unwritten.
Distinct from Wumbvu (See: [[Wumbvu]]) in the Kele subgroup (B.20).
Vumbu is spoken in Gabon, Africa.