Sidney Smith may refer to:
Law and politics Sidney Smith (politician, born 1823) (1823–1889), lawyer and politician in Upper Canada Sidney Earle Smith (1897–1959), Canadian university president and Secretary of State for External Affairs Sidney Oslin Smith Jr. (1923–2012), United States federal judge
Sports Sidney Smith (snooker player) (1908–1990), English billiards and snooker player Sidney Smith (cricketer) (1929–1985), English cricketer
Others Sir Sidney Smith (Royal Navy officer) (1764–1840) British admiral Sidney Smith (1809–1880), member of the Peoria Party Sidney Irving Smith (1843–1926), American zoologist Sidney Lawton Smith (1845–1929), American designer, illustrator and bookplate artist Sidney R. J. Smith (1858–1913), English architect Sidney Maynard Smith (1875–1928), British surgeon and freemason Sidney Smith (cartoonist) (1877–1935), American cartoonist Sidney Smith (Assyriologist) (1889–1979), British Assyriologist , a list of ships by that name
See also Sid Smith (disambiguation) Syd Smith (disambiguation) Sydney Smith (disambiguation)