| Acronym | Definition |
|---|
| WNA | Warga Negara Asing (Indonesian: Foreign Nationals) |
| WNA | World Nuclear Association (UK) |
| WNA | Willis North America (various locations) |
| WNA | Warga Negara Indonesia (Indonesian: Indonesian Citizen) |
| WNA | Wireless Notebook Adapter |
| WNA | Windows Network Access |
| WNA | Wireless Network Analyzer |
| WNA | Wireless Network Adapter |
| WNA | Wireless Network Administrator |
| WNA | Windows Native Authentication |
| WNA | Windows Native Authentication (software) |
| WNA | Wisconsin Nurses Association |
| WNA | Weather Normalization Adjustment |
| WNA | Winter, North Atlantic (Plimsoll mark; nautical transport) |
| WNA | Wireless Network Access |
| WNA | World Nagashisomen Association |
| WNA | Wireless Network Administration |
| WNA | Wednesday Night Acro |
| WNA | World Not Available |
| WNA | White Noise Acceleration |
| WNA | Williams Notaro & Associates, Inc (Fairfax, VA) |
| WNA | World Ninja Association (gaming) |