Harold Geoffrey Owen Owen-Smith (18 February 1909 – 28 February 1990), known as Tuppy Smith, was a South African cricketer who played Test cricket for South Africa and a rugby player who played for and captained the England rugby union team.

Owen-Smith was educated at Diocesan College in Rondebosch and attended the University of Cape Town.

An all-round athlete, he represented his school and university in cricket and rugby amongst other sports.

Owen-Smith studied medicine at Magdalen College, Oxford, on a Rhodes Scholarship and qualified as a physician at St Mary's Hospital Medical School.

After completing his degree he went back to South Africa and was a long-serving and much loved general practitioner, largely working from his home in Rondebosch.