Charles I with M. de St Antoine is an oil painting on canvas by the Flemish painter Anthony van Dyck in 1633. It depicts Charles I of England on horseback, accompanied by his riding master, Pierre Antoine Bourdon. Van Dyck became Principal Painter in Ordinary for Charles in 1632, and completed several equestrian portraits of the king, including multiple versions of this painting; the prime version is in the Royal Collection.Painting: Anthony van Dyck