Speck is a surname. Notable people with the surname include:
Christa Speck (born 1942), German model and actress
Cliff Speck (born 1956), American baseball player
Dutch Speck (1886–1952), American football player
Frank Speck (1881–1950), American anthropologist
Fred Speck (1947–2011), Canadian ice hockey player
Hermann Ritter von Speck (1888–1940), German Wehrmacht general
Jefferson W. Speck (1916–1993), American businessman and politician
Leslie Speck, American college football coach
Mike Speck, American Gospel musician and ordained minister
Oskar Speck (1907–1955), German canoeist and adventurer
Richard Speck (1941–1991), American mass murderer
Robert Speck (handball) (1909–?), Romanian field handball player
Robert Speck (politician) (1915-1972), first and only mayor of the Town of Mississauga, Ontario
Ross Speck (1927-2015), psychiatrist, psychoanalyst and family therapist
Sam Speck, American politician
Wieland Speck (born 1951), German film director
Will Speck, American film director
W. A. Speck (born 1938), British historian
Zsa Zsa Speck (real name: Perry Pandrea), American keyboardist
Fictional characters:
Tommy Speck, fictional character
