Pyotr Dmitrievich Baranovsky (Russian: Пётр Дмитриевич Барановский; February 26, 1892 – June 12, 1984) was a Russian architect, preservationist and restorator who reconstructed many ancient buildings in the Soviet Union. He is credited with saving Saint Basil's Cathedral from destruction in the early 1930s, founding and managing the Kolomenskoye and Andrei Rublev museums, and developing modern restoration technologies.