| Acronym | Definition |
|---|
| WIN | Windows (Microsoft) |
| WIN | Winchester |
| WIN | What I Need (R. King & Associates) |
| WIN | Weight-control Information Network (NIDDK) |
| WIN | Warfighter Information Network |
| WIN | Whip Inflation Now |
| WIN | Water Infrastructure Network |
| WIN | Work Incentive Program (US) |
| WIN | What's Important Now |
| WIN | Welfare Information Network |
| WIN | Wireless Intelligent Network |
| WIN | Women in Nigeria |
| WIN | Watershed Information Network |
| WIN | Women's Information Network |
| WIN | World Information Network (for Exports; Canada) |
| WIN | Wireless Information Networks |
| WIN | Water Information Network |
| WIN | Wisconsin Innovation Network |
| WIN | Women in Need, Inc. (homeless assistance; est. 1983) |
| WIN | Western Identification Network |
| WIN | Wildlife Identification Number |
| WIN | WWMCCS Intercomputer Network |
| WIN | World Investigators Network |
| WIN | Waste Information Network |
| WIN | Worldwide Information Network |
| WIN | World Indigenous Nations |
| WIN | World Insurance Network |
| WIN | Wireless In-building Network |
| WIN | Westplex Information Network (ISP for St. Charles County, Missouri) |
| WIN | Winton, Queensland, Australia - Winton (Airport Code) |
| WIN | Western Intertie Network |
| WIN | Wireless Information Navigator |
| WIN | Wellness Initiative Now (Texas Department of Criminal Justice employee health program) |
| WIN | Washington Interest in Negotiation |
| WIN | Worldwide Intelligent Network Routing |
| WIN | Wants, Interests, & Needs (sales) |
| WiN | Winchester Network |
| WIN | Workforce Improvement Network of Virginia |
| WIN | Walmart Information Network (Walmart) |
| WIN | World Immigrants Network |
| WIN | Wollongong Integrated Network |
| WIN | World Interact Network |
| WIN | Wash Identify Notify (exposure to bloodborne pathogen response) |