Delff (1570–1643) was a Dutch Golden Age still life painter. According to Houbraken he was first a pupil of his father Jacob Delff, and then of Cornelis van Haarlem. He was the brother of the painter Willem Jacobsz Delff and a good painter of still lifes. de Bergh, and January Willemsz. van der Wilde.
He died in Delft.
According to the RKD he became a member of the Delft Guild of Saint Luke in 1613, and his kitchen still life paintings were followed by Sir Nathaniel Bacon (1585-1627), Gillis Gillisz.