Sir Peter Roylance Delamothe OBE (29 June 1904 – 26 October 1973) was an ophthalmological surgeon and member of the Queensland Legislative Assembly.

[1] Born Peter Roylance de la Mothe at Spring Hill, Brisbane, to parents Charles Joseph de la Mothe, a chemist who had moved to Australia from France, and his wife Anna Mary (née Oliver), he was educated at St Francis School in Hughenden, and then Mount Carmel College in Charters Towers.

[2] Awarded an open scholarship after coming third in the state for his final examinations, Delamothe entered the University of Sydney where he obtained M.B.

[2] On 26 October 1940, Delamothe joined the Royal Australian Air Force[3] as a probationary flight lieutenant and was based at several different hospitals and medical receiving stations.

As the cyclone was at it worst, Mayor Delamothe was performing surgery by torchlight on a critically ill patient at the local hospital, which had already lost its roof.

[2] Delamothe accepted the Liberal nomination for the resurrected electorate of Bowen at the 1960 state elections and went on to win the seat, holding it until it was abolished in 1971.

[1] During his time as Minister for Justice and Attorney-General, Delamothe acted to ease the backlog of cases in Queensland courts, and helped establish the Law Reform Commission and the Legal Aid Bureau.

[2] Delamothe reformed Queensland's alcohol laws, enabling Brisbane hotels to remain open on Sundays and for the first time women were allowed into the public bar.