Harold Smith may refer to:
Entertainment
edit- Harold Jacob Smith (1912–1970), American screenwriter
- Harold J. Smith (1912–1980), TV actor better known as Jay Silverheels
- Harold Smith (Twin Peaks), fictional television character
Politics
edit- Harold Smith (New Zealand politician) (1866–1936), New Zealand MP
- Harold Smith (British politician) (1876–1924), MP for Warrington, 1910–1922, and Liverpool Wavertree, 1922–1923
- Harold Gengoult Smith (1890–1983), Australian medical practitioner and Lord Mayor of Melbourne
- Harold D. Smith (1898–1947), American budget director during World War II
- Harold Palmer Smith Jr. (born 1935), assistant secretary of Defense
Science
edit- Harold Hill Smith (1910–1994), American geneticist
- Harold Smith (scientist) (born 1954), founder and CEO of OyaGen
Sports
edit- Harold Smith (diver) (1909–1958), American diver and Olympic gold medalist
- Harold Smith (gridiron football) (born 1962), American football player
Other
edit- Harold Page Smith (1904–1993), United States Navy admiral
- J. Harold Smith (1910–2001), Southern Baptist evangelist
- Harold Smith (detective) (1926–2005), art detective
See also
edit- Whatever Happened to Harold Smith?, a 1999 British film
- Hal Smith (disambiguation)