Abbreviations.com
- Browse acronyms and abbreviations by category.
- http://www.abbreviations.com/

AfkWin Acronyms
- Features downloadable browser and filter software. In Dutch and English.
- http://pielkenrood.fol.nl/x/indexac.htm

Acronyma
- Definitions in multiple languages.
- http://www.acronyma.com/

eBay Acronyms
- Abbreviations one might find in eBay item listings and on community discussion boards. Many of the terms are used at other auction websites as well.
- http://pages.ebay.com/help/newtoebay/acronyms.html

Glossary and Acronyms for PC and Server Technologies
- Glossary of hardware and driver development terms for Windows products.
- http://www.microsoft.com/whdc/resources/support/glossary.mspx

Frequently Seen Space/Astronomy Acronyms
- Terms commonly appearing in space-related newsgroups.
- http://tla.surly.org/

Explain Acronym Search
- Provides a tool for conversion.
- http://www.irs.aber.ac.uk/acronyms/

Dictionary of Quaternary Acronyms and Abbreviations
- Acronyms and abbreviations that are common in Quaternary studies
- http://www.scirpus.ca/cgi-bin/dictqaa.cgi

Veterinary Abbreviations and Acronyms Glossary
- Terms commonly used in veterinary practice.
- http://www.library.uiuc.edu/vex/vetdocs/abbreviation.htm

Freeware Hall of Fame
- Acronyms and emoticons used in the computer community.
- http://www.freewarehof.org/acronyms.html

V.E.R.A. - Virtual Entity of Relevant Acronyms
- List of computer acronyms, with cross references.
- http://cgi.snafu.de/ohei/user-cgi-bin/veramain-e.cgi

USPS Acronyms and Abbreviations Glossary
- United States Postal Service terms and operational numbers.
- http://www.quine.org/uspsglos.html

Acronym Guide
- A directory of common acronyms by topic.
- http://www.acronym-guide.com/

Broadband Acronyms & Definitions
- Terms used by service providers and software developers.
- http://www.birds-eye.net/definition/

Health & Safety Acronyms
- Short list used in the field of UK Occupational Health and Safety.
- http://www.edp-uk.com/glossaries/acronyms.htm

Wiley InterScience Acronym Finder
- Scientific and technical terms, and symbols, with browsing and searching tools.
- http://www3.interscience.wiley.com/stasa/search.html

MediLexicon
- Searchable database of pharmaceutical, healthcare and medical abbreviations and acronyms.
- http://www.medilexicon.com/

Altronix Technical Acronyms
- A comprehensive list in common usage in the computer, electronics and engineering fields.
- http://www.altronix.co.uk/Acro_AB.htm

List of US Government Acronyms
- A glossary of terms found in US government databases and in print publications.
- http://ucblibraries.colorado.edu/govpubs/a-z/alpha.htm

USPS Official Abbreviations
- Official abbreviations of the United States Postal Service.
- http://www.usps.com/ncsc/lookups/abbrev.html

Acronyms and Abbreviations Dictionary
- Contains terms with origins in the military, medical, technological, and business and training fields.
- http://www.businessballs.com/acronyms.htm

Acronym Server Simplified
- A list of acronyms hosted by University College Cork, gathered from many sources and submitted by users.
- http://www.ucc.ie/cgi-bin/acronym

Acronym Master List for LANL
- Large list of acronyms, initialisms, abbreviations, and short forms that are used by or useful to Los Alamos National Laboratory.
- http://www.lanl.gov/tools/acronyms/AML.html

Home of the Network Acronyms
- Computer network acronyms in a first-letter-per page format.
- http://www.xs4all.nl/~jrme/

The Ultimate Computer Acronyms Archive (TUCAA)
- Offers a searchable or browsable interface.
- http://www.acronyms.ch/

High Energy Astrophysics: Common Acronyms
- A small, very specialized reference.
- http://heasarc.gsfc.nasa.gov/docs/acronyms.html

Svetlozar Online's Abbreviation Glossary
- Computer and telecommunications acronyms and their meanings. Searchable and browsable.
- http://www.svetlozar.com/learningcenter/glossaries/ag/

Oceanic and Atmospheric Acronyms
- Specialized collection from the US National Oceanic and Atmospheric Administration.
- http://www.noaa.gov/str-plan/acronym.htm

Biomedical Acronym Resolver
- Tool for conversion.
- http://lethargy.swmed.edu/argh/argh.asp

Babel: Computer-related Acronyms
- A glossary of computer science and internet acronyms.
- http://www.cs.tut.fi/tlt/stuff/misc/babel.html

Hawkman's Automotive Abbreviations
- Indexed collection.
- http://www3.sympatico.ca/dhaughey/

CDIA Center Acronyms and Abbreviations
- Carbon Dioxide Information Analysis Center indexed list.
- http://cdiac.ornl.gov/pns/acronyms.html

Downloadable Computer Acronyms
- Collect of computer and computer-related acronyms in downloadable format.
- http://www.winsite.com/bin/Info?500000017593

CRM Acronyms
- Frequently used cultural resource management acronyms.
- http://www.acra-crm.org/acronym.html

Cartography Acronyms
- Dictionary of terms used in geographic information systems, cartography and remote sensing.
- http://www.lib.berkeley.edu/EART/abbrev.html

Acronym Search
- Lookup engine which accepts new entries.
- http://www.acronymsearch.com/

Dictionary of Initials Acronyms and Abbreviations Used by Counselors
- Subdivided by first letter.
- http://www.counselingseattle.com/initials.htm

ACRO.IT Acronym Directory
- Collection for information technology and related subjects.
- http://www.acro.it/

Learning, Performance, and Training Acronyms
- Small collection of human resource oriented terms.
- http://www.nwlink.com/~donclark/hrd/acron.html

The Great Abbreviations Hunt
- A general guide to three letter terms.
- http://www.atomiser.demon.co.uk/abbrev/index.html

WWW Acronym and Abbreviation Server
- Allows a search for terms containing a particular word.
- http://www.ucc.ie/info/net/acronyms/acro.html

Acronyms and Abbreviations
- Online translation lookup of English and German.
- http://www.chemie.fu-berlin.de/cgi-bin/acronym/

Acronym Finder
- Searchable database covering computers, government, telecommunications, and military situations.
- http://www.acronymfinder.com/