NATS
- Anti-theft system
- Gnat
- NATS Holdings
- NATS Messaging
- Nat (disambiguation)
- Nat (spirit)
- Nat (unit)
- Nat caste
- National Association of Teachers of Singing
- National Party (South Africa)
- National Party of Australia
- Nats Park
- Nats Xtra
- Naval Air Transport Service
- New Zealand National Party
- North Atlantic Tracks
- North Avenue Trade School
- Raleigh Nats
- Scottish National Party
- Syracuse Nationals
- Too Much Media
- Valorant
- Vancouver Nats
- Washington Nationals
- Washington Nationals (disambiguation)
- Young Nationals (disambiguation)