Daniel Edward Thomas (born June 11, 1959) is an American prelate of the Roman Catholic Church. Since 2014 he has served as the eighth bishop of the Diocese of Toledo in Ohio. Thomas previously served as an auxiliary bishop of the Archdiocese of Philadelphia from 2006 to 2014.
Thomas was born in the Manayunk section of Philadelphia, Pennsylvania, to Francis and Anna (née Weber) Thomas. He graduated from Roman Catholic High School in Philadelphia in 1977, and then attended St. Charles Borromeo Seminary in Wynnewood, Pennsylvania.
Thomas was ordained to the priesthood for the Archdiocese of Philadelphia by Cardinal John Krol on May 18, 1985. His first assignment after ordination was as parochial vicar of Saint Joseph's Parish in Aston, Pennsylvania. In 1987, Thomas started graduate studies in dogmatic theology at the Pontifical North American College in Rome, earning his Licentiate of Sacred Theology from the Pontifical Gregorian University in 1989.
Thomas was an official of the Congregation for Bishops in the Roman Curia from 1990 to 2005, while also serving as spiritual director to the seminarians of the North American College. After returning to Philadelphia, Thomas became pastor of Our Lady of the Assumption Parish in Strafford, Pennsylvania on November 19, 2005. He was raised to the rank of Honorary Prelate of His Holiness during that same year.
Pope Francis named Thomas as Bishop of Toledo on August 26, 2014. He was installed on October 22, 2014. He replaced Bishop Leonard Blair, who became the Archbishop of the Archdiocese of Hartford, in December 2013.