Sydney Smith (1771–1845) was an English writer and clergyman.
Sydney or Sidney Smith may also refer to:
Arts and literature Sydney Smith (composer) (1839–1889), English composer Sydney Wigham Smith (c. 1866–1933), Australian architect Sydney Ure Smith (1887–1949), Australian arts publisher and promoter Sydney Goodsir Smith (1915–1975), New Zealand-born Scottish poet and artist Sydney Bernard Smith (1936–2008), Scots-Irish poet, dramatist, actor and novelist Sydney Smith (illustrator) (fl. 2010s–2020s), Canadian illustrator
Law and politics Sydney Smith (Australian politician) (1856–1934), Australian politician Sydney M. Smith (1869–1948), Chief Justice of the Supreme Court of Mississippi Sydney George Smith (c. 1879–1943), New Zealand politician Sydney Smith (British politician) (1885–1984), Labour MP for Hull South West, 1945–1950 Sydney John Smith (1892–1976), Canadian politician
Military Sidney Smith (Royal Navy officer) (1764–1840), British naval officer and politician Sydney Ernest Smith (1881–1943), English pioneer aviator, soldier and company director Sydney Philip Smith (1896–1918), British World War I flying ace
Sports Sydney Howard Smith (1872–1947), British badminton and tennis player Sydney Smith (cricketer, born 1881) (1881–1963), Trinidad and Tobago cricketer who played for West Indies and New Zealand Sydney Smith (cricketer, born 1892), English cricketer
Others S. Talbot Smith (Sydney Talbot Smith, 1861–1948), lawyer and journalist in South Australia. Sir Sydney Smith (pathologist) (1883–1969), New Zealand-born Scottish forensic pathologist , a list of ships by that name, including ships named "Sir Sydney Smith"
See also Syd Smith (disambiguation) Sidney Smith (disambiguation) Sid Smith (disambiguation)