Sir Nicholas Felix Stadlen (born 3 May 1950) is a former judge of the High Court of England and Wales. He was appointed to the High Court's Queen's Bench Division on 2 October 2007 and retired early, on 21 April 2013. His parents were political activist Hedi Stadlen and pianist and composer Peter Stadlen. He was educated at St Paul's School, London and Trinity College, Cambridge, where he read history and classics and was President of the Cambridge Union in 1970. He was knighted in 2007. In 2015 he appeared on the BBC Radio 4 programme Great Lives, nominating anti-apartheid lawyer Bram Fischer.