Frolík (feminine: Frolíková) is a Czech surname. Notable people with the surname include:
Josef Frolík (1928–1989), Czechoslovak spy Michael Frolík (born 1988), Czech ice hockey player Zbyněk Frolík (born 1953), Czech entrepreneur Zdeněk Frolík (1933–1989), Czech mathematician
See also
Frolick