Patrick Frank Barry DD (November 15, 1868 – August 12, 1940) was an Irish-born prelate of the Roman Catholic Church. He served as Bishop of St. Augustine from 1922 until his death in 1940.
Barry was born in County Clare, Ireland, one of 18 children of Michael and Catherine (née Dixon) Barry. After attending national school, he enrolled at Mungret College in Limerick in 1887, taking exams in the Royal University of Ireland from which he graduated. In 1890, he began his studies for the priesthood at St. Patrick's College in Carlow. As a seminarian, he was recruited to serve the missions in Florida in the United States.
Barry was ordained a priest June 9, 1895. He soon after came to the Diocese of St. Augustine, where he served as a curate at Immaculate Conception Church in Jacksonville. He worked as a chaplain during the Spanish–American War. He was pastor of St. Monica's Church in Palatka (1903–13), and rector of St. Augustine's Cathedral and vicar general of the diocese (1917–21).