Bryan Lathrop (August 6, 1844 – May 13, 1916) was an American businessman and art collector from Alexandria, Virginia, United States. He is known for his works in Chicago, Illinois, where his insurance and real estate dealings made him very wealthy. Lathrop had a lifelong interest in the arts, supporting several Chicago institutions and rallying for an extension to Lincoln Park. He was also the longtime president of the Chicago Symphony Orchestra and Graceland Cemetery. He was the brother-in-law of Marshall Field and Thomas Nelson Page.