| WNS | Nawabshah, Pakistan 
| Others |
| WNS | Noise Suppressor
| Others |
| WNS | WADP (World Association for the Development of Philately) Numbering System
| Others |
| WNS | WADP Numbering System
| Others |
| WNS | Washington Numismatic Society
| Others |
| WNS | Watch Night Service
| Others |
| WNS | Waves Noise Suppressor
| Others |
| WNS | We Need Sex
| Others |
| WNS | We Nuke Self
| Others |
| WNS | We Nurture Specialists
| Others |
| WNS | Web Notification Service
| Others |
| WNS | Wednesday Night Study
| Others |
| WNS | Weismann Netter Syndrome
| Others |
| WNS | Westside Neighborhood School
| Others |
| WNS | White Nose Syndrome
| Others |
| WNS | Wideband Networked Sensor
| Others |
| WNS | Windows Notification Service
| Others |
| WNS | Windows Push Notification Service
| Others |
| WNS | Wins
| Others |
| WNS | Winston-Salem
| Others |
| WNS | Wire Neutralization System
| Others |
| WNS | Wireless Network Services
| Others |
| WNS | Wireless Network Strategies
| Others |
| WNS | Wireless Networking Symposium
| Others |
| WNS | With No Survivorship
| Others |
| WNS | Workshop on Network Security
| Others |
| WNS | World Natural Sports
| Others |
| WNS | World Network Services
| Others |
| WNS | World Networking Solutions
| Others |
| WNS | World News Service
| Others |
| WNS | World Numbering System (stamps)
| Others |
| WNS | WorldNet Solutions, Incorporated
| Others |
| WNS | Worldwide Notification Systems, Incorporated
| Others |
| WNS | Worst Negative Slack
| Others |