Robert Ian "Bob" Oatley (11 June 1928 – 10 January 2016) was an Australian businessman, winemaker and yachtsman. He was perhaps best known for owning the Sydney to Hobart-winning yacht "Wild Oats XI". He bought Hamilton Island, Queensland in 2003 for $200 million. He was also responsible for the Rosemount winery, which he founded in 1969.