Sidney Smith
Sidney Smith may refer to:
Law and politics
- Sidney Smith (politician, born 1823), lawyer and politician in Upper Canada
- Sidney Earle Smith, Canadian university president and Secretary of State for External Affairs
- Sidney Oslin Smith Jr., United States federal judge
Sports
- Sidney Smith (snooker player), English billiards and snooker player
- Sidney Smith (cricketer), English cricketer
Others
- Sir Sidney Smith (Royal Navy officer) British admiral
- Sidney Smith, member of the Peoria Party
- Sidney Irving Smith, American zoologist
- Sidney Lawton Smith, American designer, illustrator and bookplate artist
- Sidney R. J. Smith, English architect
- Sidney Maynard Smith, British surgeon and freemason
- Sidney Smith (cartoonist), American cartoonist
- Sidney Smith (Assyriologist), British Assyriologist
- , a list of ships by that name