Kroll or Kröll is a German, Anglo-Saxon, and Scottish surname.

Notable people with the surname include:

Academia Josef Kroll (1889–1980), German classical philologist and university rector Judith F. Kroll, American college professor in California Wilhelm Kroll (1869–1939), German philologist

Entertainment Jack Kroll (c. 1928 – 2000), American drama and film critic Leon Kroll (1884–1974), American painter Lucy Kroll (1909–1997), American theatrical and literary agent Natasha Kroll (1914–2004), Moscow-born display and production designer in Germany Nick Kroll (born 1978), American actor and comedian, son of Jules William Kroll (1901–1980), American violinist and composer

Religion Leopold Kroll (1874–1946), missionary bishop of the Missionary District of Liberia Una Kroll (1925–2017), British nun, missionary doctor, and campaigner for women's ordination Woodrow M. Kroll (born 1944), American evangelist, principal of the Back to the Bible radio ministry

Science Kristen Kroll (born c. 1967), American developmental and stem cell biologist Norman Myles Kroll (1922–2004), American theoretical physicist William Justin Kroll (1889–1973), Luxemburger metallurgist, inventor of the Kroll process Wolfgang Kroll (1906–1992), German physicist

Sports Alex Kroll (1937–2024), American football player and advertising agency executive Bob Kroll (American football) (born 1950), American football player Gary Kroll (born 1941), American baseball player Klaus Kröll (born 1980), Austrian alpine ski racer Paul Kroll, American boxer Richard Kröll (1968–1996), Austrian alpine skier Robert Kroll (born 1972), German tennis player Steve Kroll (born 1997), German footballer Sylvio Kroll (born 1965), German gymnast Ted Kroll (1919–2002), American golfer Valentina Kröll (born 2002), Austrian footballer

Writing Fredric Kroll (1945–2026), American-German composer, writer and editor Harry Harrison Kroll (1888–1967), American writer, illustrator and English professor Jon Kroll, American producer, director, and writer Pierre Kroll (born 1958), Belgian cartoonist and caricaturist Steven Kroll (1941–2011), American children's book author

Other Bob Kroll (police officer) (born c. 1965), American police officer in Minneapolis Colin Kroll (1984–2018), American businessman Eric Kroll (born 1946), American photographer Fred J. Kroll (1935–1981), American labor union leader Hans Kroll (1898–1967), German diplomat Heinrich Kroll (1894-1930), German World War I flying ace Henryk Kroll (born 1949), Polish politician, leader of German minority in Poland Jack Kroll (labor leader) (1885–1971), London-born American labor leader Joachim Kroll (1933–1991), German serial killer Jules Kroll (born 1941), American businessman widely credited with founding the modern corporate investigations industry Lucien Kroll (1927–2022), Belgian architect Nicholas Kroll (born 1954), British civil servant

See also Krol Kroll (disambiguation) Croll