Harry Watson may refer to:

• Harry Watson (actor) (1921–2001), American actor, photographer and television journalist
• Harry Watson (artist, born 1871) (1871–1936), English landscape and portrait artist
• Harry Watson (artist, born 1965), New Zealand artist, playwright and sculptor
• Harry Watson (Australian footballer) (1896–1941), Australian rules footballer for Fitzroy
• Harry Watson (cyclist) (1904–1996), New Zealand cyclist
• Harry Watson (footballer, born 1908) (1908–1982), English footballer
• Harry Watson (ice hockey, born 1898) (1898–1957), amateur ice hockey player fl. 1920s
• Harry Watson (ice hockey, born 1923) (1923–2002), professional ice hockey player fl. 1940s and 1950s
• Harry Watson Jr. (1876–1965), American actor and comedian
• Harry Davis Watson (1866–1945), British Army officer
• Harry L. Watson, American historian and author
• Harry T. Watson (1882–?), American college football, basketball and baseball player and coach

• Harold Watson (disambiguation)
• Henry Watson (disambiguation)