| WAI | Antsohihy, Madagascar 
| Others |
| WAI | Bow for greeting; used commonly in asia
| Others |
| WAI | Wait for Interrupt
| Others |
| WAI | Wales Arts International
| Others |
| WAI | War Against Indiscipline
| Others |
| WAI | Warm Air Intake
| Others |
| WAI | Wastren Advantage Inc
| Others |
| WAI | Water Absorption Index
| Others |
| WAI | Water Amusement Island
| Others |
| WAI | Water And I
| Others |
| WAI | Water Injection
| Others |
| WAI | Wealth Added Index
| Others |
| WAI | Weather Area of Interest
| Others |
| WAI | Web Access Ideas
| Others |
| WAI | Web Accessibility Initiative
| Others |
| WAI | Web Application Interface
| Others |
| WAI | Weidlinger Associates Inc
| Others |
| WAI | Weidlinger Associates, Inc.
| Others |
| WAI | West Antarctic Ice
| Others |
| WAI | What About It
| Others |
| WAI | What An Idiot
| Others |
| WAI | Where Am I
| Others |
| WAI | Who Am I
| Others |
| WAI | Wide Area Information
| Others |
| WAI | Wideband Air Interface
| Others |
| WAI | Wie Auch Immer
| Others |
| WAI | WildAid, Inc.
| Others |
| WAI | Window to Administrative Information
| Others |
| WAI | Wire Association International
| Others |
| WAI | Wisconsin Association for Identification
| Others |
| WAI | Women in Aviation International
| Others |
| WAI | Working Alliance Inventory
| Others |
| WAI | Working as Intended
| Others |
| WAI | Works As Intended
| Others |