Accountancy: Abbreviations and acronyms from CPATeam

Accountancy: American Institute of Certified Public Accountants

Acronym and Abbreviation Searchable Database

Acronym Finder - 174,000 acronyms

Adoption: Henderson

Agriculture: Giannini Foundation Library

Agriculture: Too useful for general agronomy to classify under "Rice" alone

Alaska: From the Alaska Housing Finance Corporation

Arctic Science: Polar acronyms (IASC Secretariat)

Astronomy & Space: Canonical astronomy abbrev/acro list

Australia: Acronyms in Australian medical practice

Australia: Organisational acronyms (AUSLIG)

Automotive: Car terminology, autoparts, etc

Aviación: Abreviaturas aeronáuticas (Gacías)

Aviation: Honeywell

Aviation: USAAF

BABEL - A Glossary of Computer Oriented Abbreviations and Acronyms

Biotechnology: Biotechnology Abbreviation and Acronym Uncovering Service (BioABACUS)

Building: Common acronyms in the (Canadian) construction industry

Caribbean Agricultural Acronyms

Census: Census taking, statistics, IT, etc. (US Census Bureau)

Chemistry: Abbreviations of chemical compounds / Abkürzungen chemischer Verbindungen (en, de)

Chemistry: Abbreviations Related to International Chemical Safety Activities (US EPA)

Climate Change: Carbon Dioxide Information Analysis Center

Computers and Telecommunications: 7700+ entries (en, fr)

Computers and Telecommunications: Babel

Computers and Telecommunications: Internet, Usenet, chat (Thomas)

Computers and Telecommunications: Secret Hackers Society

Computers and Telecommunications: Ultimate computer acronyms archive

Disaster Management: Division of Emergency Management (Florida, USA)

Earth Sciences: Atmospheric radiation measurement program

Earth Sciences: Dictionary of quaternary acronyms

Earth Sciences: Geographic information systems, cartography, remote sensing

Education: Common acronyms in adult education (SABES)

Education: English language teaching terminology

Education: Higher education acronyms (UNESCO-CEPES)

Education: The Commonwealth of Learning

Electronics: Common abbreviations and acronyms in electronics

Energy: Oil refinery acronyms and abbreviations

Environmental: "Terms of Environment" (US EPA)

Environmental: Association of Engineering Geologists

Environmental: Mexico-USA border concerns, en & es (TRIP)

Environmental: US Department of Energy

EU Interinstitutional Style Guide: Acronyms & Abbreviations -

Eurodicautom

Finance: Investopedia

Finance: NUMA dictionary of derivatives acronyms

Geneaology: GenDocs (UK)

Genetics: Courtesy of the Human Genome Program

Geography: Geographic information systems, cartography, remote sensing

German-English Acronym Dictionary

Guatemala: Organizaciones (sociedad civil, etc.) en Guatemala

Guide to Advertising Terminology

Health Care: Acronyms found in Australian medical practice

Health Information Resources: Global information and data resources in the health sciences

Incoterms: Con descripciones en español

Index of On-line Acronym and Abbreviation Lists

Indonesia: Words, concepts, and acronyms

International Affairs: International development acronyms and terminology (USAID)

International Affairs: ReliefWeb

Ireland: Acronyms associated with the Irish conflict. Comprehensively linked

Ireland: Terms and acronyms, but enough of the latter to make it worthwhile

Islam: Mulitlateral relations in the Islamic world (Organisation of the Islamic Conference)

Languages: Two-letter ISO 639 codes

Latin America: Abbreviations and acronyms used in the Latin American press (FBIS). [Link to zipped PDF]

Legal: Listado de abreviaturas de la jurisprudencia española

Legal: University of Washington School of Law

Maritime: The Nautical Institute's guide for mariners

Medical: HIV/AIDS

Medical: University of Iowa Family Practice Handbook

Medical: US FDA drug approval procedures, regulations, etc

Medical: Visual disability

Meteorology: Federal Coordinator for Meteorological Services (USA)

Military: UK Ministry of Defence

Military: US Department of Defense

NASA: An effort to make NASAspeak understandable to the general reader, together with general space-related acronyms

NASA: High Energy Astrophysics Science Archive Research Center; most defined terms are hyperlinked

NUMA Dictionary of Banking and Monetary Acronyms

Pharmaceutical Acronyms

Polar Science: Arctic and antarctic! (IASC)

Public Broadcasting: From the National Educational Telecommunications Association and Current newspaper

Quality Control: Operations management and quality management

Rice: Rice cultivation, agronomy, the green revolution (IRRI, WARDA, CIAT)

Satellites: Earth Observing System Data and Information System

Semiconductors: Industry abbreviations and acronyms from Sematech

Spanish: Abbreviations and acronyms used in the Spanish-language military and general press

Telecommunications: Acronyms expanded and defined

Telecommunications: CRAF/ESF: European slant

Telecommunications: General telecomms (MIT)

Telecommunications: ISDN abbreviations (MIT)

Telecommunications: US Federal Standard 1037C

Telecomunicaciones y Telefonía: Siglas inglesas traducidas y españolas autóctonas

The Great Three Letter Abbreviations Hunt

The Stands4.com Acronym Supermarket

The Ultimate Acronym Search Engine

Transportation: Bureau of Transportation Statistics (US DOT)

UK: Business and professional abbreviations and acronyms

USA: Abbreviations and acronyms of the US government

USA: Organizational acronyms

USA: Specific to Alaska (AHFC)

Veterinary Medicine: From the Veterinary Medicine Library

Water: Water, water quality, environmental, and water-related abbreviations (NDWP)

Word Net Dictionary: Antonyms, synonyms

World Wide Web Acronym and Abbreviation Server