Frank McMahon (September 20, 1919 – December 22, 1984) was an Irish–American author and playwright perhaps best known for his play Borstal Boy, an adaptation of Brendan Behan's 1958 autobiography of the same name, for which Frank was awarded the New York Drama Critics Tony Award in 1970.
Frank McMahon was born in New York on September 20, 1919 to Irish parents. His mother was a native of County Mayo and his father from County Roscommon. Frank won a scholarship from Regis High School to Fordham University New York. Upon graduating from Fordham, Frank served in the United States Navy during World War II. He went on to work as an executive for the TV networks NBC and MCA. Some years after getting married Frank moved with his wife Patricia and young children to Ireland where he worked for RTE Television. He later founded the publishing company "Four Masters" which published works including, in 1975, "James Connolly, Portrait of a Rebel Father" by Connolly's daughter, Nora Connolly O'Brien and "Alive, alive-oh" by John Molloy. Besides "Borstal Boy", Frank also wrote "Gandhi: The Fiery Gates" and "James Connolly", a documentary on the Irish revolutionary
McMahon died on December 22, 1984 at his home on Windgate Road in Howth, Co. Dublin.