Dennis Victor Dyer (2 May 1914 – 16 June 1990) was a South African cricketer who played in 3 Tests in 1947. Dyer, a product of Durban High School, was a powerfully built right-hand opening batsman with immense patience. He announced himself on his first-class debut with an innings of 185 for Natal against Western Province in 1939-40, but then lost the next six years to the Second World War. Dyer played for Natal against the English cricket tourists in 1948-49, but retired at the end of that season.