(Pont-l'Éveque, 1758 - Bern, 1829) was a French painter.
Pupil of Descamps at the ole des Beaux-Arts de Rouen, along with Beljambe and Lequeu, Legrand won a second extraordinary prize in drawing, aged only 15. In 1782, he went to the ole des Beaux-Arts de Paris.
Circa 1794, Legrand de Serant departed for Bern, where he produced a variety of drawings for local notabilities and illustrated a novel by Isabelle de Charriere.
Legrand de Serant was a member of the Academie de Lille.