| Acronym | Definition |
|---|
| WAB | Windows Address Book (file extension for Microsoft Outlook and Exchange) |
| WAB | What a Bitch |
| WAB | Wake and Bake (marijuana) |
| WAB | Waterbury (Amtrak station code; Waterbury, VT) |
| WAB | Warhammer Ancient Battles (gaming) |
| WAB | Western Alliance Bancorporation (Phoenix, AZ) |
| WAB | Wheelchair Accessible Bus (transportation service; Singapore) |
| WAB | Write Assurance Buffer |
| WAB | Windows Address Book |
| WAB | Western Academy of Beijing |
| WAB | Western Aphasia Battery |
| WAB | We Are Brother |
| WAB | Web Address Book |
| WAB | Westinghouse Air Brake Technologies Corp. (stock symbol) |
| WAB | What Another Bill |
| WAB | Wage Appeals Board |
| WAB | Western Agulhas Bank |
| WAB | When Authorized By |
| WAB | Wabash Railroad System |
| WAB | We Are Bravest (band) |
| WAB | Work Authorization Board |
| WAB | Wales Advisory Board (for Local Authority Higher Education) |
| WAB | Weak Air Blow (oilfield) |
| WAB | Wild-Ass Branch (programming bug; program flies off to endless activity; as contrasted with hanging) |
| WAB | Work Avoidance Behavior |