John Edwin Bertrand AO (born 20 December 1946) 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.
In 2010 and 2016, he won the world Etchells class sailing championships.
He is a life member of both the Royal Brighton Yacht Club in Melbourne, and the Sorrento Sailing Couta Boat Club.