Kalnik

Kalnik may refer to:


 * Kalnik (mountain), a mountain in Croatia
 * Kalnik, Koprivnica-Križevci County, a municipality in Croatia
 * Dolný Kalník, a village in Slovakia
 * Horný Kalník, a village in Slovakia
 * Kalnik (river), a river in Bulgaria, tributary of Vit
 * Kalnik, North Macedonia, a village in Bogovinje Municipality, Macedonia
 * Kalnik, an alternative name for Kuzmyno, a village in Ukraine
 * Kalnik, an evil alien character in Mork & Mindy who claims to be from Neptune