| Nnenna Njoku | |
| Nationality: | Nigerian |
| Sport: | Athletics |
| Event: | High jump Shot put |
| Birth Date: | 18 March 1955 |
Nnenna Njoku-Mbonu (born 18 March 1955) is a Nigerian athlete.[1] She competed in the 1972 Summer Olympics, representing Nigeria in 4 × 100 metres Relay, Women, women's high jump and the women's shot put.[2]