| Acronym | Definition |
|---|
| NFOS➣Noosa Festival of Surfing (Australia) |
| NFOS➣Near-Field Optical Spectroscopy (physics) |
| NFOS➣Narodowa Fundacja Ochrony Srodowiska (Polish: National Foundation for Environmental Protection) |
| NFOS➣New Forest Owl Sanctuary (UK) |
| NFOS➣Niagara Frontier Orchid Society (Buffalo, NY) |
| NFOS➣Network Field Operations Support |