| Leko–Nimbari | |
| Also Known As: | Chamba–Mumuye |
| Region: | northern Cameroon, eastern Nigeria |
| Familycolor: | Niger-Congo |
| Fam2: | Atlantic–Congo |
| Fam3: | Savanna |
| Fam4: | greater Gur |
| Glotto: | samb1322 |
| Glottorefname: | Central Adamawa |
| Child1: | Duru |
| Child2: | Leko |
| Child3: | Mumuye–Yendang |
| Child4: | Nimbari |
The Leko–Nimbari or Chamba–Mumuye languages are a subgroup of the old Adamawa languages family (G2, G4, G5, G12), provisionally now a branch of the Savanna languages. They are spoken in northern Cameroon and eastern Nigeria.