Huydecoper may refer to: Joan Huydecoper van Maarsseveen (1599–1661), Dutch golden age merchant Joan Huydecoper II (1625-1704), Dutch merchant, son of the above Jacob Huydecoper (1811-1845), Dutch civil servant Willem Huydecoper (1788-1826), Dutch merchant Jan Pieter Theodoor Huydecoper (1728-1767), Dutch administrator Occupational surnames