Frank Arthur Philbrook (9 November 1931 – 30 October 2017) was a Liberal party member of the House of Commons of Canada. He graduated from the University of Toronto as MD in 1958, and was a member of the College of Family Physicians of Canada. He retired from medical practice in 1993. He was first elected at the Halton riding inthe 1974 general election and served in the 30th Canadian Parliament, but was defeated in the 1979 federal election by Otto Jelinek of the Progressive Conservative party.