Madzimbamuto v Lardner-Burke and another [1969] 1 AC 645 is a decision of the Judicial Committee of the Privy Council on United Kingdom constitutional law and the constitutional law of Rhodesia. The case was brought by Stella Madzimbamuto, to challenge the detention of her husband, Daniel Madzimbamuto, by the government of Rhodesia. The case raised the issue of the legality of the Unilateral Declaration of Independence made by Rhodesia in 1965. The case is often cited in relation to the legal status of constitutional conventions in United Kingdom constitutional law.