Dennis Smith

Dennis Smith may refer to:

Sports

 * Dennis Smith (American football) (born 1959), American football player
 * Dennis Smith (Australian footballer) (1939–2017), Australian footballer for Richmond
 * Dennis Smith (ice hockey) (born 1964), American ice hockey defenseman
 * Dennis Smith (New Zealand cricketer) (1913–1986), New Zealand fast bowler
 * Dennis Smith (New Zealand footballer), New Zealand international footballer
 * Dennis Smith (South African cricketer) (born 1971), South African cricketer and umpire
 * Dennis Smith Jr. (born 1997), American basketball player

Other

 * Dennis Smith (darts player) (born 1969), English darts player
 * Dennis Smith (director), American television director
 * Dennis Smith (firefighter) (1940–2022), American firefighter and writer
 * Dennis Smith (politician), Minnesota politician
 * Dennis Smith (sculptor) (born 1942), American sculptor
 * Dennis G. Smith, American government official
 * L. Dennis Smith (1938–2021), American developmental biologist