Dionys van Dongen (3 September 1748 – 21 May 1819) was a Dutch painter.
Van Dongen was born in Dordrecht, and was initially taught by his father who was also an artist.[1] He painted primarily marine art and genre art. In 1771 he settled in Rotterdam and painted flower still lifes and landscapes. He often painted copies of old masters.[1] He died in Rotterdam.