Kurnik may refer to

• Kurnik (pirog), a type of Russian pirog
• PlayOK, a website of board and card games formerly known as Kurnik

• Amphitheater Lake
• Amphitheater Lake Trail
• Amphitheater Unified School District
• Amphitheatre Lake (Vancouver Island)
• Amphitheatre of Cagliari
• Amphitheatre of Durres
• Amphitheatre of Libarna
• Amphitheatre of Sophia
• Amphitherium
• Amphithrix
• Amphithrix sublineatella
• Amphithéâtre Astley
• Amphithéâtre d'Astley
• Amphithéâtre de Québec
• Amphitorna albipuncta
• Amphitorna brunhyala
• Amphitorna castanea
• Amphitorna confusata
• Amphitorna excisa
• Amphitorna lechriodes
• Amphitorna olga
• Amphitorna perexcisa
• Amphitorna purpureofascia
• Amphitorna rotundipex
• Amphitorna submontana