John Edwin Bertrand AM (born 20 December 1946 in Melbourne, Victoria) is a yachtsman from Australia, who skippered Australia II to victory in the 1983 America's Cup, ending 132 years of American supremacy. Bertrand won the bronze medal in the Finn competition at the 1976 Summer Olympics in Montreal. He is a member of Royal Brighton Yacht Club in Melbourne Australia, and currently competes in the Etchells class boats. He has been married for many years to Rasa Bertrand, whom he met as a student.