| Mbongno | |
| Nativename: | Kamkam |
| States: | Nigeria, Cameroon |
| Speakers: | 3,000 in Nigeria |
| Date: | 1999 |
| Ref: | e18 |
| Familycolor: | Niger-Congo |
| Fam2: | Atlantic–Congo |
| Fam3: | Benue–Congo |
| Fam4: | Mambiloid |
| Fam5: | Mambila–Konja |
| Fam6: | Mambila–Vute |
| Fam7: | Kamkam languages |
| Iso3: | bgu |
| Glotto: | mbon1253 |
| Glottorefname: | Mbongno |
Mbongno (Bungnu), also known as Kamkam, is a Mambiloid language of Nigeria, with an unknown number of speakers in Cameroon.