Gregory or Greg Smith may refer to:

Sportspeople

Baseball

* Greg Smith (infielder) (born 1967), former infielder with the Chicago Cubs and Los Angeles Dodgers * Greg Smith (pitcher) (born 1983), pitcher for the Philadelphia Phillies

Basketball

* Greg Smith (basketball, born 1947), former NBA player * Greg Smith (basketball, born 1991), American professional basketball player

Cricket

* Greg Smith (cricketer, born 1971), Nottinghamshire cricketer * Greg Smith (cricketer, born 1983), Essex cricketer * Greg Smith (cricketer, born 1988), Nottinghamshire cricketer * Gregory Smith (cricketer) (born 1986), Caymanian cricketer

Rugby

* Greg Smith (rugby union coach) (c. 1949–2002), Australian national rugby coach * Greg Smith (rugby league) (born 1973), Newcastle Knights rugby league player * Greg Smith (rugby union, born 1968), Fijian former rugby union player * Greg Smith (rugby union, born 1974), Fijian rugby union footballer

Other sports

* Gregory Smith (canoeist) (born 1956), former Canadian sprint canoer * Greg Smith (ice hockey) (born 1955), former National Hockey League player, with the Washington Capitals * Greg Smith (American football, born 1959), former National Football League defensive lineman (1984) * Greg Smith (American football, born 1970), walk-on to the Ohio State football team in 1988 * Greg Smith (Australian footballer) (born 1957), VFL and SANFL player * Gregory Smith (wrestler) (born 1986), American professional wrestler * Greg Smith (Paralympian) (born 1967), Australian Paralympian athlete and wheelchair rugby player * Greg Smith (curler) (born 1996), Canadian curler

Entertainers

* Gregory Smith (actor) (born 1983), American-Canadian actor * Greg Smith (American musician) (born 1963), bassist and vocalist * Greg Smith (Canadian musician), Canadian musician

Politicians

Australia

* Greg Smith (New South Wales politician) (born 1947), Australian Liberal politician; Attorney-General of New South Wales * Greg Smith (Western Australian politician) (born 1960), former Australian Liberal politician

United Kingdom

* Greg Smith (British politician) (born 1979), former deputy leader of Hammersmith & Fulham Council and Conservative MP for Buckingham constituency

United States

* Greg Smith (Kansas politician) (born 1959), Republican member of the Kansas Senate * Greg Smith (Nevada politician) (born 1955), Democrat member of the Nevada Assembly * Greg Smith (Oregon politician) (born 1968), American politician in the U.S. state of Oregon * J. Gregory Smith (1818–1891), railroad tycoon, politician, war-time governor of Vermont

Other people

*Greg Smith, CFO of The Boeing Company * Greg Smith (artist) (born 1976), American artist * Greg Smith (British Army officer) (born 1956), British businessman and Territorial Army officer * Greg Smith (film producer) (1939–2009), British film producer of the 'Confessions' series * Greg Parma Smith (born 1983), New York-based painter *Greg "Tarzan" Smith, a contestant on '' Survivor: One World'' * Gregory Blake Smith (born 1951), American novelist and short story writer * Gregory White Smith (1951–2014), American biographer