The Amazing Spider-Man, a comic book published by Marvel Comics

American Samoa (ISO 3166-1 country code)

Assembly language, a low-level programming language

Acceleration Simulation Mode, a test used in automobile emissions control

Assamese language (ISO 639 language code)

Activated sludge model, in sewage treatment

American Society for Microbiology

Assembly (demo party), a demoscene event in Finland

Anti-ship missile

Air-to-surface missile

ASM Formule 3, a French motorsport team in the Formula Three Euroseries

Assotsiatsia Sovremennoi Muzyki (Association for Contemporary Music), a Russian organization for contemporary composers

Airspace management

Available seat miles, a financial term used in air travel circles

Auto-sequencing memory

Active shape model, a deformable contour model used in computer vision

ObjectWeb ASM, a Java library for bytecode modification and analysis

Assistant stage manager, a back-stage post in theater

American Society of Mammalogists

Abstract state machines, based on the concept of an abstract state machine in computer science

Asmara International Airport (IATA airport code)

ASMclothing, or Altered State of Mind, an apparel company based in Cleveland, Ohio, USA

Academy of Sciences of Moldova

Actuarial Society of Malaysia

Artificer Sergeant Major, a warrant officer appointment in the British Army's Corps of Royal Electrical and Mechanical Engineers

ASM International (society), formerly the American Society for Metals, a professional organization for materials scientists and engineers working with metals

Academy Sergeant Major, the senior warrant officer at the Australian Defence Force Academy

Abnormal Situation Management, a research and development consortium of companies and universities that are concerned about the negative effects of industrial plant incidents

Automatic Storage Management, in an Oracle database

Ants Sleeping Model

Algorithmic State Machine, a method for designing finite state machines

Any-source multicast

Antisocialmedia, a criticism website run by Judd Bagley