The Menzies Research Centre Ltd is an Australian public policy think tank. It was founded in 1994 and is named in honour of Sir Robert Menzies, the founder of the Liberal Party of Australia and Australia's longest-serving Prime Minister. It is the think-tank of the Liberal Party of Australia. The Centre "works to promote the principles of individual liberty, free speech, competitive enterprise, limited government and democracy". The Centre publishes books and monographs, and organises conferences and seminars throughout the year.