Benjamin hielke de Roo (11 February 1940 – 17 May 2016) was an Dutch-born Australian gymnast. He was born in Enschede, the Netherlands. In 1957 his family immigrated to Australia. In 1960, he became Australian citizen. He competed for Australia at the 1960 and 1964 Summer Olympics.
De Roo died at a hospital in Katoomba, New South Wales on 17 May 2016 from complications of a stroke, aged 76.
