Brusnik is a Slavic toponym, derived from brus, meaning whetstone, or brusnica, meaning "cranberry" or "cowberry". It may refer to:
Bulgaria
edit- Brusnik, Bulgaria, a village in Pernik Province
Croatia
edit- Brusnik (island), a volcanic island in the Adriatic Sea
- Brusnik, Croatia, a village in Pakrac
- Brusnik, a village in Srbac
Kosovo
edit- Brusnik, Vučitrn, a village
North Macedonia
edit- Brusnik, Bitola, a village
- Brusnik, Negotino, a village in Negotino Municipality
Poland
edit- Bruśnik, a village in arnów County, Lesser Poland Voivodeship
Serbia
edit- Brusnik, Ivanjica, a village
- Brusnik, Zaječar, a village
Slovakia
edit- Brusník, a village and municipality in Banská Bystrica Region