Jacob Moelart or Moelaert (1649 - 1732) was a Dutch Golden Age painter and art collector.
He was born and died in Dordrecht. According to Houbraken he was a pupil of Nicolaes Maes and learned how to paint a good portrait, but was better at history paintings.[1]
According to the RKD he is known for his art collection as well as his paintings.[2]