WKN
| Acronym | Definition |
|---|---|
| WKN | World Kickboxing Network |
| WKN | Wertpapier-Kenn-Nummer (identifying number assigned to securities traded in Germany) |
| WKN | Wir Kapitulieren Niemals (German: We Never Capitulate; music label; Pressbaum, Austria) |
| WKN | World Kids Network (website) |
| WKN | Warrior Knowledge Network (US Army) |