Francis Brooks Chadwick (January 1, 1850–1942/43), was an American painter active in France.
He was born in Boston and studied at Harvard, and to pursue his interest in art he attended the Académie Julian in Paris. He was cousins with the painter John Singer Sargent and Ralph Wormeley Curtis and travelled with them to Haarlem in 1880 and Bretagne. The following year he married the Swedish painter Emma Löwstädt-Chadwick and they settled in Grez-sur-Loing, where he remained the rest of his life, though the couple travelled to other summer art colonies on vacation. They had three children including Louise Read Chadwick, wife of Squadron Leader Marcel Courmes
He is known for scenes of Grez.