Černík may refer to:
- Černík, Slovakia, a village and a municipality in Slovakia
- Černík, a Czech surname, which may refer to:
- František Černík (born 1953), Czechoslovakian ice hockey player
- František Černík (water polo) (1900–1982), Czech water polo player
- Martin Černík (born 1976), Czech snowboarder
- Oldřich Černík (1921–1994), Czech politician and Prime Minister of Czechoslovakia 1968–1970
- Vladimír Černík (1917–2002), Czechoslovakian tennis player