Sir Percy Ernest Joske, CMG QC (5 October 1895 – 25 April 1981) was an Australian lawyer, politician and judge. He was a member of the House of Representatives from 1951 to 1960, representing the Liberal Party. He subsequently served on the Commonwealth Industrial Court from 1960 to 1977, as well as on the supreme courts of the Australian Capital Territory and Northern Territory. He was a prolific author of legal textbooks.