| Acronym | Definition |
|---|
| NAT | Network Address Translation |
| NAT | National |
| NAT | Natural |
| NAT | Number of Atoms |
| NAT | Naval Air Training (US Navy) |
| NAT | Nucleic Acid Testing (blood test) |
| NAT | National AIDS Trust |
| NAT | Nucleic Acid Technology |
| NAT | News At Ten |
| NAT | North African Theater (US Navy) |
| NAT | Network Architecture |
| NAT | Network Access Terminal |
| NAT | Network Area Table |
| NAT | Network Audit Technology |
| NAT | Network Associates Technology |
| NAT | Node Attribute Table |
| NAT | Network Auditing Tool |
| NAT | Netware Architectural Team |
| NAT | Network Application Technology |
| NAT | No Action Taken |
| NAT | Nucleic Acid Amplification Testing |
| NAT | arylamine N-acetyltransferase |
| NAT | Nagoya Auto Trend (trade show; Japan) |
| NAT | North Atlantic Region |
| NAT | Nucleic Acid Amplification Technology |
| NAT | Nice and Tight |
| NAT | Northern Airborne Technology (Kelowna, BC Canada) |
| NAT | Noradrenaline Transporter |
| NAT | Nitric Acid Trihydrate |
| NAT | Nippon Advanced Technology (Japan) |
| NAT | North Atlantic Track |
| NAT | National Air Transport |
| NAT | Neutralizing Antibody Titer |
| NAT | Non-Accidental Trauma (child abuse) |
| NAT | N-Terminal Acetyltransferase (biology) |
| NAT | National Actors Theatre |
| NAT | Non-Aggression Treaty (gaming) |
| NAT | Name Address Translation |
| NAT | Necessary Action Taken (law enforcement) |
| NAT | Natal, Rio Grande Do Norte, Brazil - Agusto Severo (Airport Code) |
| NAT | National Account Team |
| NAT | Non-Atomic Term |
| NAT | Not Air Transportable |
| NAT | Novel Acting Thrombolytic (clot dissolver) |
| NAT | Nose-Avoidance Tilting |
| NAT | Not A Trooper (medical slang) |
| NAT | North America Traffic |
| NAT | Nuclear Assembly Test |
| NAT | Network Aggregate Throughput |
| NAT | Naval Afloat Targeting |
| NAT | Not Another Translator (Braille transcription software) |
| NAT | Node Allocation Table |
| NAT | Navy Acceptance Trials |
| NAT | Nonambulatory Tetraparesis (veterinary medicine) |
| NAT | Not Air Transportation |
| NAT | NMCC (National Military Command Center) AMPS (Automated Message Processing System) Terminal (US Military Communications) |