Association football •
George Harris (footballer, born 1875) (1875–1910), English-born footballer for Aston Villa, Wolves and Grimsby Town •
George Harris (footballer, born 1877) (1877–?), English-born footballer for Stoke and Southampton •
George Harris (footballer, born 1878) (1878–1923), English footballer for Aston Villa and West Bromwich Albion •
George Harris (footballer, born 1940) (1940–2022), English-born footballer for Watford and Reading •
George Harris (soccer, born 1949) (born 1948), Australian former football (soccer) player
Cricket •
George Harris, 4th Baron Harris (1851–1932), English cricketer and politician •
George Harris (cricketer, born 1880) (1880–1954), English cricketer •
George Harris (cricketer, born 1904) (1904–1988), English cricketer •
George Harris (cricketer, born 1906) (1906–1994), English cricketer
Other sports •
George Harris (Australian footballer) (1902–1981), Australian rules footballer •
George Harris (Carlton president) (1922–2007), Australian football club president •
George Harris (wrestler) (1927–2002), American wrestler and wrestling manager •
George Harris (judoka) (1933–2011), American judoka •
Duke Harris (George Francis Harris, 1942–2017), Canadian ice hockey player •
George Harris (baseball), American baseball player •
Lloyd Harris (tennis) (Lloyd George Harris, born 1997), South African tennis player ==Others==