Condé Montrose Nast (March 26, 1873 – September 19, 1942) was the founder of Condé Nast Publications, a leading American magazine publisher known for publications such as Vanity Fair and Vogue.
Condé Nast was born in New York City to a family of Midwestern origin. His father, William F. Nast (himself the son of the German-born Methodist leader William Nast) was an unsuccessful broker and inventor who had also served as U.S. attaché in Berlin. His mother, the former Esther Benoist, was the daughter of a prominent St. Louis banker. Nast's aunt financed his studies at Georgetown University, where he graduated in 1894. He went on to earn a law degree from Washington University in St. Louis in 1897.