Theodore Wells Pietsch (October 2, 1868, Chicago, Illinois – January 1, 1930, Baltimore, Maryland) was a well-known American architect, best remembered for a large body of work in and around Baltimore, Maryland. Among his best-known buildings are Recreation Pier at Fell’s Point (now a luxury hotel, the Sagamore Pendry Baltimore) at 1715 Thames Street, and the SS. Philip and James Catholic Church at 2801 North Charles Street, Baltimore.