Jacob Franquart (1582/83 – 6 January 1651 (buried)) was a Flemish painter, court architect, and an outstanding copper plate engraver. His name has also been spelled Francquart, Franckaert, Francquaert, Jacques Franquart, Francuart. Franquart was born in Antwerp or Brussels. In 1620 he designed the Temple des Augustins which stood on Place de Broukere in Brussels from its completion in 1642 to its demolition in 1893. The facade of the building now forms part of the Church of the Holy Trinity on Parvis de la Trinite in Brussels.