WKI
| Acronym | Definition |
|---|---|
| WKI | Wolters Kluwer Italia (Italian: Wolters Kluwer Italy) |
| WKI | Wilhelm Klauditz Institut |
| WKI | Washington Kurdish Institute (est. 1996; Washington, DC) |
| WKI | World Kitchen, Inc. (Reston, VA) |
| WKI | William Kent International (Benton, PA) |
| WKI | Wisdom Keepers Inc. (Knoxville, TN) |
| WKI | Wilderness Kayak Institute (boating) |