Nat
- Augusto Severo International Airport
- Bestune NAT
- Gnat (disambiguation)
- Greater Natal International Airport
- Is This Seat Taken?
- N-Acetyltransferase
- N-Amyltryptamine
- NAT1
- NAT2
- NATS (disambiguation)
- Nat (Muslim)
- Nat (Wild Cards)
- Nat (deity)
- Nat (name)
- Nat (unit)
- Nat Smurfling
- Nat caste
- Nat, Punjab
- Nat, West Virginia
- Nath (disambiguation)
- National AIDS trust
- National Achievement Test
- National Actors Theatre
- National Archives of Thailand
- National Assembly of Thailand
- Natural antisense transcript
- Neonatal alloimmune thrombocytopenia
- Network address translation
- Noradrenaline transporter
- North Atlantic Tracks
- North Atlantic Treaty
- Nottingham Asphalt Tester
- Nucleic acid test
- Nucleobase ascorbate transporter
- Sodium ammonium tartrate