WNI
| Acronym | Definition |
|---|---|
| WNI | Warga Negara Indonesia (Indonesian: Indonesian Citizen) |
| WNI | Weider Nutrition International, Inc. (Salt Lake City, UT) |
| WNI | Wireless Networks, Inc. |
| WNI | Wisconsin Name Index |
| WNI | Weathernews Incorporated |
| WNI | Willamette processor New Instructions (Intel) |