Brian Charles Fitzpatrick (17 November 1905 – 3 September 1965) was a writer, historian, journalist and one of the founders of the Australian Council for Civil Liberties.
Brian rebelled against his oldest brother's management of the family after his father's death.
In 1937, Fitzpatrick won the University of Melbourne's Harbison Higinbotham Scholarship with his manuscript of British imperialism and Australia 1783–1833; it was published by George Allen and Unwin in 1939.
A Short History of the Australian Labor Movement was published by Rawson's Bookshop, Melbourne in 1940 with a new enlarged edition in 1944.
Fitzpatrick's economic analyses were presented to the Commonwealth Court of Conciliation and Arbitration by the Australian Council of Trade Unions as part of its case in the Basic Wage Enquiry in 1940, and also to the Standard Hours Enquiry in 1949.