NK may refer to: Businesses. Imerys, a French mining multinational (Euronext ticker:NK) Nordiska Kompaniet, a Swedish department store. Northrup-King Seed Company, U.S. Spirit Airlines, U.S. (IATA:NK) NK.pl, a Polish social network (2006–2021) Organisations. Neturei Karta, a group of anti-zionist orthodox Jews. Nippon Kaiji Kyokai, a ship classification society. NK (nogomentni klub), a name suffix for Croatian and Slovenian football clubs. Places. North Korea, a country.
https://en.wikipedia.org/wiki/NK