| Acronym | Definition |
|---|
| WDSA➣Water Distribution Systems Analysis (annual conference) |
| WDSA➣World Direct Selling Association |
| WDSA➣Workshop on Data Stream Analysis (international professional workshop) |
| WDSA➣World Directory Service Agency (Saint Paul, MN) |
| WDSA➣Welt des Schwarzen Auges (German: The World of Black Eye; Geographia Aventurica) |