- WAMM (Westheimer, West Alabama, Montrose, Mandel (Deed-restricted community in Houston, Texas))
- WAMP (Windows, Apache, MySQL, Perl)
- WAMS (Wide area measurement system- see description in phasor measurement unit article. (electricity))
- WAMT (Women And Manual Trades)
- WAMW (Wayfinders Association of Modern Wizardry)
- WAMZ (West African Monetary Zone)
- WAN (Wide area network)
- WAND (West Athurlie, Neilston, and Dunterlie)
- WANDEF (Women's Action for New Directions Education Fund)
- WANEP (West African Network for Peace building)
- WANF (Warren A. Nicholson Foundation)
- WANG (Worcester [Massachusetts] Area Naked Guys)
- WANJ (The Washington Association of New Jersey)
- WANL (We All Need Love)
- WANO (World Association of Nuclear Operators)
- WANS (West African National Secretariat)
- WANT (Westmoreland Assists Native Talent)
- WAO (WARREN/ ALVARADO/ OSLO PUBLIC SCHOOLS)
- WAOC (West Anglian Orienteering Club)
- WAOE (World Association for On-line Education)
- WAOG (West Anglia Outdoor group)
- WAOM (Web Application Optimization and Monitoring)
- WAP (Wireless Application Protocol)
- WAPA (Wisconsin Chapter, American Planning Association)
- WAPC (Wheeled Armoured Personnel Carrier (Canada))
- WAPD (World Association of Persons with Disabilities)
- WAPF (Women Against Paternity Fraud)
