Sir Edward Owen Cox GBE (21 January 1866 – 30 July 1932), known as Owen Cox, was a Welsh-born Australian businessman and politician. Cox was born in South Wales, was educated at Christ's Hospital, and went to sea at the age of fourteen. He left his first ship at Auckland, New Zealand, however, and went into the banking business. After a few years he returned to Britain, but then sailed to Australia and settled in Sydney. He became chairman of Birt & Co and a director of the Federal Steam Navigation Co Ltd. He was appointed to the New South Wales Legislative Council in 1922.