Krol is a surname. Notable people with the surname include:
George A. Krol, American ambassador to Belarus
Henk Krol (born 1950), Dutch journalist
Jack Krol (1936–1994), American baseball coach and manager
Joe Krol (1919–2008), Canadian Football League player
John Krol (1910–1996), Roman Catholic Cardinal
John A. Krol, former CEO of DuPont
Ruud Krol (born 1949), Dutch footballer and coach
Sebastiaen Jansen Krol, Director-General of New Netherland
Król (Polish pronunciation: [krul]) is a Polish surname meaning "king" and may refer to:
Joachim Król (born 1957), German actor of Polish descent
Kamil Król (born 1987), Polish football (soccer) player
Krzysztof Król (born 1987), Polish football (soccer) player
Paweł Król (born 1987), Polish football (soccer) player
