Nat

Nat or NAT may refer to:

Computing

 * Network address translation (NAT), in computer networking

Chemistry, biology, and medicine

 * Natural antisense transcript, an RNA transcript in a cell
 * N-acetyltransferase, an enzyme; also NAT1, NAT2, etc.
 * Nucleic acid test, for genetic material
 * Neonatal alloimmune thrombocytopenia, a disease
 * Noradrenaline transporter (NAT), also called norepinephrine transporter (NET)
 * Nucleobase ascorbate transporter (NAT) family, or Nucleobase cation symporter-2 (NCS2) family
 * Sodium ammonium tartrate tetrahydrate, the material crystallized by Pasteur as enantiomers

Organizations

 * National Actors Theatre, New York City, U.S.
 * National AIDS trust, a British charity
 * National Archives of Thailand
 * National Assembly of Thailand, the national parliament

People

 * Nat (name), a given name or nickname, usually masculine, and also a surname
 * Nat (Muslim), a Muslim community in North India
 * Nat caste, a Hindu caste found in northern India and Nepal

Places

 * Nat, Punjab, India, a village
 * Nat, West Virginia, United States, an unincorporated community
 * Greater Natal International Airport, São Gonçalo do Amarante, Brazil (IATA code NAT)
 * Augusto Severo International Airport (closed), former IATA code NAT

Other uses

 * Nat (deity), deities worshipped in Myanmar and neighboring countries
 * Nat (unit), a logarithmic unit of information or entropy
 * Bestune NAT, a Chinese electric minivan
 * Nottingham Asphalt Tester
 * National Achievement Test, in the Philippines
 * North Atlantic Tracks, a set of flight routes
 * Nat (Wild Cards), the nature of some characters in the Wild Card novels
 * Nat Smurfling, a fictional character from The Smurfs
 * NAT: An Orchestral Portrait of Nat "King" Cole, a 1966 album by Nelson Riddle
 * North Atlantic Treaty, the treaty that implemented NATO