Ray Norman Rosbrook (ON 1930) was an Australian basketball coach who was instrumental in the establishment of the game in New South Wales. He was an administrator and leading coach from the mid 1930’s until 1950. In 2015 he was inducted into the NSW Basketball Hall of Fame.

Rosbrook was born in 1910 to parents Len and Maud. He attended Ipswich Grammar School before coming to Sydney to complete his high school education at Newington College (1924–1930) in the last years of the headship of Rev Dr Charles Prescott. Always known as “Golly”, he was a hurdler and rower. In 1929 and 1930 he stroked the eight and was Captain of Boats and a Prefect in his final year.  He attended Sydney University without graduating and then joined the Sydney City Council in 1936 as the Moore Parkplayground supervisor. Between 1932 and 1945 he stroked winning eights at Sydney Rowing Club. In 1963 he escorted Queen Elizabeth II on an informal tour of the facility. As a coach he influenced the sporting careers of sportsmen, such as Peter Mullins and Herb Barker, in a wide range of sports such as basketball, rugby league, rugby union and athletics. He was a successful basketball coach at state level from 1946 until 1950 and was a selector and manager for State representative teams. Rosbrook held administrative and development positions with the National Fitness Camp, Narrabeen, the YMCA Camp at Yarramundi, as a founder of the New South Wales Amateur Basketball Association, Amateur Athletics Association and the Drummoyne Rugby Union Club. He died in Sydney on 5 September 1979 and his ashes are at Northern Suburbs Memorial Gardens, North Ryde.