Digger is a nickname for:
John Barnes (footballer) (born 1963), Jamaican-born English former footballer and manager
Arthur Brown (footballer born 1859) (1859–1909), English footballer
Duane G. Carey (born 1957), former NASA astronaut and retired US Air Force lieutenant colonel
Al Cervi (1917–2009), American National Basketball League and National Basketball Association player and coach
Digger Dawson (1905–?), English footballer
Dale DeGray (born 1963), former National Hockey League player
Paul Diggin (born 1985), English rugby union player
William James (soldier) (1930–2015), Australian Army major general
Digger Kettle (1922–1999), English footballer
Peter Martin (cricketer) (born 1968), English former cricketer
Billy O'Dell (born 1833), former Major League Baseball pitcher
Ken Phelps (born 1954), former Major League Baseball player
Digger Phelps (born 1941), American basketball coach and sportscaster
Digger Robertson (William Robertson, 1861–1938), Australian cricketer
Digger Stanley (1876–1919), English boxer
William 'Digger' Thomas (1890–1953), Australian rules footballer