What is "kolpak"

Kolpak, kovpak are spellings for kalpak, a kind of hat, in Slavic languages.

Kolpak may also mean:

• Maros Kolpak (born 1971), a Slovak handball player
• Kolpak ruling, a European Court of Justice decision involving Maros Kolpak that set a precedent about foreigners in professional sports
• Sydir Kovpak (1887–1967), a Soviet partisan leader in Ukraine during World War II