Dennis Victor Crookes (born 18 June 1931) is a former South African cricketer and businessman who played first-class cricket for Cambridge University in 1953 and 1954.
Dennis Crookes was educated at Michaelhouse in Natal and Jesus College, Oxford.
After his studies at Oxford he returned to Natal, where he worked for the family sugar-growing company Crookes Brothers, serving as managing director from 1993 to 1998.