Thomas Patrick Roger Foley (March 6, 1822 – February 19, 1879) was a bishop of the Roman Catholic Church in the United States.

He attended local schools, and at the age of eighteen was graduated from St. Mary's College, Baltimore with a Bachelor of Arts degree.

On February 27, 1870, Foley was consecrated titular bishop of Pergamum at the Baltimore Cathedral.

[3] Foley was in Champaign, Illinois, to administer confirmation when, in October 1871, the diocese lost nearly a million dollars in church property in the Great Chicago Fire.

[5] Bishop Foley invited the Franciscans, Vincentians, Servites, Viatorians, and Resurrectionists to establish parishes and schools.