Polak is the Polish noun for a Pole. It is also a surname - notable people with the surname Polak include:
Ben Polak (born 1961), British professor of economics
Boris Polak (born 1954), Israeli world champion and Olympic sport shooter
Christian Polak (born 1950), French businessman and author
David Polak, American business executive and philanthropist from Beverly Hills, California.
Fred Polak (1907–1985), Dutch socialogist and politician
Graham Polak (born 1984), Australian Football League player
Jacques J. Polak (1914–2010), Dutch economist
Jakob Eduard Polak (1818–1891), Austrian physician active in Iran
Jakub Polak (1545–1605), Polish musician
Jakub Polák (1952–2012), Czech anarchist and Roma rights activist
Jason Polak (born 1968), Australian soccer player
Maralyn Lois Polak, American writer
Mary Polak (born 1967/68), Canadian politician
Minus Polak (1928–2014), Dutch lawyer, politician, judge
Nate Polak (born 1989), American soccer player
Paul Polak, Czech-born American businessman
Roman Polak (born 1986), Czech ice hockey player
Sjaak Polak (born 1976), Dutch footballer
Tyler Polak (born 1992), American soccer player