Košir
# Košir

Košir, sometimes Germanized Koschier, is a Slovenian surname. Notable people with the surname include:

* Dejan Košir (born 1973), Slovenian snowboarder
* Jure Košir (born 1972), Slovenian alpine skier
* Lovrenc Košir (1804–1879), Austrian civil servant
* Manca Košir (born 1948), Slovenian journalist and actress
* Nick Kosir, American meteorologist
* Žan Košir (born 1984), Slovenian snowboarder
