Černík (surname)
Černík (feminine: Černíková) in a Czech surname, derived from černý, i.e. 'black'. Notable people with the surname include:
- František Černík (born 1953), Czech 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, Prime Minister of Czechoslovakia in 1968–1970
 - Vladimír Černík (1917–2002), Czech tennis player