Nef
- Adolfo Nef
- Alain Nef
- Constructa-Neff
- Francisco Nef
- Hari Nef
- Hospital Naval Almirante Nef
- Isabelle Nef
- John Ulric Nef (chemist)
- John Ulric Nef (economic historian)
- Karl Nef
- NEF College
- NEF Law College
- National Energy Foundation
- National Enrichment Facility
- National Equity Fund, Inc.
- Natural exponential family
- Nave
- Near East Foundation
- Nef (metalwork)
- Nef (protein)
- Nef (ship)
- Nef Glacier
- Nef River
- Nef isocyanide reaction
- Nef line bundle
- Nef polygon
- Nef reaction
- Nef synthesis
- Nef the Pharaoh
- Nefamese
- Neff
- New Economics Foundation
- New England Firearms
- Notice of electronic filing
- Nucleotide exchange factor
- Order of the Ship
- Roland Nef
- S100B
- Sonja Nef
- Tanguy Nef