NNOC
| Acronym | Definition |
|---|---|
| NNOC | National Nurses Organizing Committee |
| NNOC | National Network on Cuba (US) |
| NNOC | National Network Operations Center |
| NNOC | Naval Network Operations Command |
| NNOC | Nigerian National Oil Company |
| NNOC | Noord Nederlandse Orgelmakers Coöperatie (Dutch: North Dutch Organists Cooperative) |
| NNOC | Nisichawayasihk Neyo Ohtinwak Collegiate (Cree Nation secondary school; Nelson House, Manitoba, Canada) |