AM
- am
- (s) Amharic language (ISO 639-1 code)
- Attometre
- Am – (s) Americium
- AM
- many, including Amplitude Modulation and Ante Meridiem; see entry
- (s) Armenia (FIPS 10-4 country code; ISO 3166 digram)
- AM1 – Airman 1st class
- AMA
- (i) American Medical Association
- Australian Medical Association
- AMAPS – (a) Aircraft, Missile, Avionics Performance Simulation
- AMC
- (i) Adaptive modulation and coding (digital communications)
- U.S. Air Mobility Command
- American Motors Corporation
- American Movie Classics (TV network; now known simply by the initials)
- U.S. Army Materiel Command
- AMCB – (i) U.S. Army/Marine Corps Board
- AMD
- (i) Advanced Micro Devices
- Age-related Macular Degeneration
- (s) Armenian dram (ISO 4217 currency code)
- AMF – (i) Afghan Military Force(s)
- AMFOM – (i) Advanced Missile Fly Out Model ("am-fomm")
- AMFR
- (i) Age-specific Marital Fertility Rate
- Amplitude Modulation Following Response
- AMFRS
- (i) Advanced Multi-Function Radio Frequency System
- Automatic Multisensor Feature-based Recognition System
- amh – (s) Amharic language (ISO 639-2 code)
- AML – (i) Acute Myeloid Leukaemia
- AMLCD – (i) Active Matrix Liquid Crystal Display
- AMLO
- (i) Andrés Manuel López Obrador (Mexican politician)
- Anti-Money Laundering Office (Thailand government agency)
- AMO – (i) Atlantic Multidecadal Oscillation
- AMOLED – (i) Active-matrix organic light-emitting diode
- AMOS
- (a) Advanced MOrtar System
- Air Force Maui Optical and Supercomputing observatory
- AMP
- (i) Adenosine MonoPhosphate
- Automated Mission Planner
- AMRAAM – (a) Advanced Medium-Range Air-to-Air Missile
- AMRDEC – (i) U.S. Aviation & Missile Research, Development, & Engineering Center
- AMS
- (i) Agriculture Marketing Service
- American Mathematical Society
- AMSAA – (i/a) U.S. Army Materiel Systems Analysis Activity
- AMSO – (i/a) U.S. Army Model and Simulation Office
- AMSU
- (i) Association for Managers in Students' Unions
- Aviation Matériel Screening Unit
- AMTE – (i) UK Admiralty Marine Technology Establishment (1977–1984)
Read more about this topic: List Of Acronyms And Initialisms: A