Kotnik
Kotnik is a Slovenian surname. Notable people with the surname include:
- Andrej Kotnik, Slovenian footballer
- Ciril Kotnik, Yugoslav diplomat
- Gloria Kotnik, Slovenian snowboarder
- Matic Kotnik, Slovenian footballer
- Renato Kotnik, Slovenian footballer
- Slavko Kotnik, Yugoslav-Slovenian basketball player
- Stanko Kotnik, Slovenian academic and editor