Simon Hendricksz. van Amersfoort (born before 1600; died 1630) was a Dutch painter active in Amersfoort and other Dutch towns during the early 17th century. Known primarily through the monograms ISH/SIH, he produced religious and narrative works in the Northern Netherlands, including Tobias and the Angel Curing Tobit of Blindness (1630), now in the Birmingham Museum of Art.