Keith Smith

• Keith Smith (writer) (1917–2011), Australian broadcaster, early screen personality and writer
• Keith Smith (actor) (1926–2008), British actor
• Keith A. Smith (born 1938), American artist and author
• Keith Randolph Smith, American Broadway, television and film actor active since 1986
• Keith Smith (guitarist), vocalist and guitarist for the band Anarchy Club
• Keith Smith (trumpeter) (1940–2008), British jazz trumpeter

Baseball

• Keith Smith (outfielder) (born 1953), Major League Baseball outfielder
• Keith Smith (shortstop) (born 1961), Major League Baseball infielder for the New York Yankees

Gridiron football

• Keith Smith (American football coach), head football coach of the Eastern Illinois University Panthers in 1956
• Keith Smith (cornerback) (born 1980), American football player
• Keith Smith (fullback) (born 1992), American football fullback for the Atlanta Falcons
• Keith Smith (quarterback) (born 1976), American and Canadian football player

Other

• Keith Smith (Australian footballer) (1914–1997), Australian footballer
• Keith Smith (cricketer) (1929–2016), New Zealand cricketer
• Keith Smith (English footballer) (born 1940), English footballer
• Keith Smith (rugby) (1952–2006), English rugby player
• Keith Smith (basketball) (born 1964), American basketball player
• Keith Smith (ice hockey), Canadian ice hockey defenseman

• Keith Smith (general) (1928–2012), American Marine Corps general
• Keith Macpherson Smith (1890–1955), Australian aviator
• Keith Smith (engineer) (1915–2011), Commonwealth Railways commissioner in Australia
• Keith Cameron Smith (born 1971), American entrepreneur
• Keith Vincent Smith, Australian writer, historian and journalist