Found 4 full forms for NNGO
| Term | Full Form | Category |
|---|---|---|
| NNGO | Need Not Greed Oxfordshire 
| Others |
| NNGO | Nigerian Non Governmental Organisation
| Others |
| NNGO | Northern Non Governmental Organization
| Others |
| NNGO | Nox Noctis Gentis Obscurum
| Others |