Geoffrey Walter Ashton Chubb (12 April 1911 – 28 August 1982) was a South African cricketer who played five Test matches for South Africa on the tour of England in 1951 aged 40. He first played first-class cricket in 1931–32 as an opening batsman for Border, making 64 on debut and playing five matches that season. He played twice for Transvaal in 1936–37 and once in 1939–40, batting in the middle order and opening the bowling. In his one match in 1939–40 he took 4 for 24 and 4 for 43 and scored 71 not out in an innings victory over Eastern Province.