Alfred Ernest Grey Trollip (16 July 1895 – 12 March 1972) was a South African politician.

He was a member of the Transvaal Provincial Council and an MP for the districts of Brakpan (1938–1953) and Bezuidenhout (1953–1958).

He was a member of the Senate of the Union of South Africa from 1961 with the National Party.

In Verwoerd's government Trollip served as Minister of Immigration and Employment (1961–1966) and as Minister for Immigration and Indian Affairs (1966–1968) in the government of John Vorster.

Along with Frank Waring, Trollip was one of the National Party's first two English-speaking ministers.