Sir Patrick Redmond Joseph Barry, MC (4 September 1898 – 6 May 1972) was a British barrister and High Court judge.
In 1929, he contested Bolton for the Liberal Party at that year's general election, coming in last.
In 1939, he was recalled to the Irish Guards, was captain and adjutant from 1939 to 1940, transferring to the General Staff in 1940.
In 1950, Barry was appointed a Justice of the High Court, and received the customary knighthood; he was assigned to the Queen's Bench Division, and was successful in the trial of both criminal and civil cases.
In addition, he was Chairman of the Advisory Council on the Treatment of Offenders from 1958 to 1966 and a member of the Vassall Tribunal from 1962 to 1963.