Raymond Thomas Chapman , is an Australian philatelist who was added to the Roll of Distinguished Philatelists in 1987. Chapman was noted for his extensive collection of Australian colonial stamps.
He was made a Member of the Order of the British Empire in 1976 and a Member of the Order of Australia in 1994.
Chapman had a long career in broadcasting, firstly at 3XY which he joined in 1943, and then as an announcer at 3AW for many years; he was later in charge of 3AW's Royal Women's Hospital appeal.