Lionel Royer (1852–1926) was a French painter born in Château-du-Loir and died in Neuilly-sur-Seine. He trained as an academic painter, specializing in historical subjects. His work included large-scale depictions of the life of Joan of Arc.
Royer's artistic output encompassed historical, mythological, and religious paintings, often executed on a monumental scale. A significant portion of his work involved the extensive series of scenes illustrating the life of Joan of Arc, which are located in the Basilica of Bois-Chenu in Domrémy.
