| WNA | Napakiak SeaPlane Base Airport, Napakiak, Alaska USA 
| Others |
| WNA | Waddigton North America
| Others |
| WNA | Weather Normalization Adjustment
| Others |
| WNA | WeServe North America
| Others |
| WNA | West Nottingham Academy
| Others |
| WNA | Westcott Neighborhood Association
| Others |
| WNA | Western Neurological Associates
| Others |
| WNA | Western North America
| Others |
| WNA | Western North Atlantic
| Others |
| WNA | Westside Neighborhood Association
| Others |
| WNA | Wheel Nut Adapter
| Others |
| WNA | White Noise Acceleration
| Others |
| WNA | Whitehorse Netball Association
| Others |
| WNA | Whole-of-the-Nation-Approach
| Military, Defence |
| WNA | WIC Nutrition Assistant
| Others |
| WNA | Wicked Ninja Army
| Others |
| WNA | William Nicholas Anthony
| Others |
| WNA | Wilson and Albert
| Others |
| WNA | Wimborne Nursing Agency
| Others |
| WNA | Windows Native Authentication
| Others |
| WNA | Windows Network Access
| Others |
| WNA | Windward Nazarene Academy
| Others |
| WNA | Wings, Nachos, & Anthrax
| Others |
| WNA | Winter North Atlantic
| Others |
| WNA | Wireless Network Access
| Others |
| WNA | Wireless Network Adapter
| Others |
| WNA | Wireless Network Administrator
| Others |
| WNA | Wireless Network Analyzer
| Others |
| WNA | Wireless Network Auburn
| Others |
| WNA | Wireless Notebook Adapter
| Others |
| WNA | Wisconsin Newspaper Association
| Others |
| WNA | Wisconsin Nursery Association
| Others |
| WNA | Wisconsin Nurses Association
| Others |
| WNA | Withdrawn Never Attended
| Others |
| WNA | Women's Networking Alliance
| Others |
| WNA | Woodlawn Neighborhood Association
| Others |
| WNA | World Net Associates
| Others |
| WNA | World Not Available
| Others |
| WNA | World Nuclear Association
| Others |
| WNA | World Nunchaku Association
| Others |
| WNA | WorldNet Access
| Others |
| WNA | Wyoming Nurses Association
| Others |