asp, popular name for several species of viper, one of which, the European asp (Vipera aspis), is native to S Europe. It is also a name for the Egyptian cobra (Naja haja). It is believed that the asp Cleopatra used to commit suicide was either that cobra or the horned viper (Cerastes cornutus) of N Africa.

ASP is a three-letter acronym with numerous meanings in different contexts.

Electronics

• Analog signal processing, processing electronic signals that represent continuous variables by use of analog circuitry
• Anti-Shock Protection, a protection of an audio compact disc playback, see Electronic skip protection

Astronomy

• Astronomical Society of the Pacific
• Astronaut Support Person, a NASA astronaut responsible for monitoring the status of the Orbiter while it undergoes testing and maintenance

Business

• Average Selling Price
• ASP, Inc., a USA-based manufacturer and supplier of tactical weapons, including batons.
• Associate Safety Professional, one who has passed the BCSP Safety Fundamentals Exam and is on their way to obtaining a CSP (Certified Safety Professional) designation

Combat

• ASP (handgun), the name for a custom-designed 9 mm pistol based on the S&W Model 39
• Advanced Sound-ranging Programme, a portable, passive, acoustic sensing system for detecting and locating the source of artillery fire and loud detonations, operated by the Royal Artillery
• A type of extending baton often carried by police forces. ASP is actually a brand that manufactures this type of weapon (The ASP tactical baton), and the brand has come to casually refer to all telescopic batons.
• American Self Protection, a martial art
• Ammunition Supply Point,"ammo dump" storage facility for A&E Class V(W) items.

Computing

• Active Server Pages, a web-scripting interface by Microsoft
• Abstract Service Primitive, an entity exchanged between a test system and a system under test (ISO 9646)
• Advanced Simple Profile, an MPEG-4 video codec profile
• Answer set programming, a declarative programming paradigm
• Application service provider, a business that provides computer-based services to customers over a network
• Apple System Profiler, Apple Computer's system profiler
• AppleTalk Session Protocol, a session layer protocol used by the AppleTalk suite of protocols
• Association of Service Providers
• Association of Shareware Professionals
• ASPLinux, Russian Fedora Core-based GNU/Linux distribution.
• Attached Support Processor, an IBM mainframe that is attached to another of higher power and that is running Automated Spooling Program, a program that is also called Automated Spooling Package. See MVT.
• ATM (Asynchronous Transfer Mode) Switch Processor
• Automated Spooling Program, one of the two early IBM 360/370 mainframe programs for spooling print output and controlling input/output devices. ASP eventually evolved into Job Entry Subsystem 3 (JES3). The other was Houston Automated Spooling Program (HASP) which evolved into JES2.
• Auxiliary Storage Pool, a group of disk drives in the IBM i (aka OS/400) operating system

Education

• American School of Palestine
• Introduction to Anthropology, Sociology and Psychology
• Alta Scuola Politecnica, a school of excellence founded by Politecnico di Milano and Politecnico di Torino
• Australian Students Prize

Entertainment

• ASP (band), the name of a German Neue Deutsche Härte/Alternative/Gothic band
• All Shall Perish, a deathcore band
• Archaia Studios Press, an American comic publisher
• ASP (film production company), Alain Siritzky Productions, owners of the official Emmanuelle movie and TV franchise
• Adult service provider, a provider of sexual services for consenting adults.
• Amy Sherman-Palladino, creator and former executive producer and writer on the television show Gilmore Girls

Medicine and biology

• Amnesic shellfish poisoning
• Adipocyte stimulating peptide
• Agouti signalling peptide
• C3 (complement), a protein in the Complement system

Aircraft

• Airborne Surveillance Platform A prototype or experimental Airborne Early Warning airplane design of India.

Politics

• Act of the Scottish Parliament, usually written in the lower case as asp.

Sports

• Association of Surfing Professionals
• American Soccer Pyramid

Miscellaneous

• Abnormal situation prevention, preventing non-routine plant incidents outside the control of normal process automation systems
• Afro-Shirazi Party
• Albany Student Press
• Alice Springs Airport (IATA airport code)
• Allegany State Park
• Anglo-Saxon Protestant, as part of the acronym WASP
• American School of Paris, an American/International K-12 school located in the suburbs of Paris
• Anti-Smoking Partisans, the anti-smoking lobby
• Appalachia Service Project, a Christian volunteer organization operating in Central Appalachia
• Aspatria railway station, the National Rail code for the train station in the United Kingdom
• Assistant Superintendent of Police, a police rank
• Automatic Savings Plan, to automatically transfer money from one banking account to another for savings or investments.
• Avenal State Prison in California, USA
• Average Selling Price.