HNK may refer to:
*
Croatian National Corpus (Croatian: ')
*
Croatian National Theatre (disambiguation) Croatian National Theatre () is the official name of several state-funded theatre houses in Croatia. Each one is commonly referred to by the Croatian-language initialism HNK. The four theatre houses in biggest cities (Zagreb, Split, Rijeka and Osije ...
(Croatian: ')
* ''
Fist of the North Star'' (Japanese: ') a manga and its franchise
*
Honokiol, a lignan
*
Hydroxynorketamine, a metabolite of ketamine
* ''
Land of the Lustrous'' (Japanese: ') a manga
* Hrvatski nogometni klub, a number of Croatian football clubs have HNK in their official name
{{disambiguation