Pieter Donker (1635 in Gouda - 1668 in Gouda), was a Dutch Golden Age painter.
According to Houbraken he travelled to Antwerp, Frankfurt, and Rome with his cousin Jan Donker.[1] He travelled to Frankfurt, where he witnessed the coronation of Leopold, and accompanied Charles III de Créquy to Rome. According to the RKD he was a pupil of Jacob Jordaens in 1656–58 in Antwerp.[2] In 1658, at the time of the coronation of Leopold I, Holy Roman Emperor he was a portraitist in Frankfurt.[2] His sketches of works by the Italian masters, were later used by Jan de Bisschop.[2] In 1664, he travelled from Rome to Naples with Willem Schellinks, Alexander Le Petit, Frederick Kerseboom and G.Sabé.[2] In 1666 he was back in Gouda, where he later died.[2] His cousin Jan painted the regents of the Gouda corrections facility.[1]