GNS
- Binaka Airport
- GEOnet Names Server
- GN (disambiguation)
- GNS Healthcare
- GNS Science
- GNS theory
- GNU Name System
- GSN (disambiguation)
- Gainesville station (Georgia)
- Gelfand–Naimark–Segal construction
- General News Service
- Gesellschaft für Nuklear-Service
- Ghana Nuclear Society
- Glenlyon Norfolk School
- Gordon-North Sydney Hockey Club
- Government of National Salvation
- Government of National Stability
- Green nail syndrome
- Guinea (coin)
- Gunns
- N-acetylglucosamine-6-sulfatase
- NGS (disambiguation)
- NSG (disambiguation)
- Rectified spirit
- SGN (disambiguation)
- SNG (disambiguation)
- The Good Night Show
- Universal Kids