| Acronym | Definition |
|---|
| WWI➣World War I |
| WWI➣Whistling Woods International (India) |
| WWI➣What Was It? |
| WWI➣Web Wordnet Interface |
| WWI➣Worldwatch Institute (Washington, DC) |
| WWI➣Weight Watchers International |
| WWI➣Women for Women International |
| WWI➣Washington Wine Institute (Olympia, WA) |
| WWI➣Wireless World Initiative |
| WWI➣World Wide Images (database) |
| WWI➣Walking While Intoxicated |
| WWI➣WinStar Wireless, Inc. (Winstar Communications, Inc.) |
| WWI➣WhiteWater Inc (Charlton, MA) |
| WWI➣Wesleyan Women International |
| WWI➣World Wings International, Inc (former Pan Am flight attendants) |
| WWI➣Wireless and Wireline Initiative (Sprint & Sprint PCS) |