Sir Sydney Kentridge (born 5 November 1922) is a South African-born lawyer, judge and member of the Bar of England and Wales. He practised law in South Africa and the United Kingdom from the 1940s until his retirement in 2013. In South Africa he played a leading role in a number of the most significant political trials in the apartheid-era, including the Treason Trial of Nelson Mandela and the 1978 inquest into the death of Steve Biko. Kentridge's wife, Felicia Kentridge, was also a leading anti-apartheid lawyer.