Helenard Joe Hendrickse (22 October 1927 – 16 March 2005), popularly known as Allan Hendrickse, was a South African politician, Congregationalist minister, and teacher. He participated in an act of defiance by swimming at a South African beach reserved for whites only. He was born in Uitenhage in the Eastern Cape and died of a heart attack at Port Elizabeth's airport. He studied at Fort Hare University in the Eastern Cape where he met Nelson Mandela, Walter Sisulu, and Robert Mugabe.