Huysmans or Huijsmans is a Dutch occupational surname. A "huisman" or "huijsman" is an archaic term for a farmer. It may refer to:
Camille Huysmans (1871-1968), Belgian politician
Constant Huysmans (b. 1928), Belgian footballer
Cornelis Huysmans (1648-1727), Flemish painter, brother of Jan Baptist Huysmans
Gerardus Huysmans (1902-1948), Dutch Minister for Finance (1945) and Economy (1946 - 1948)
Jacob Huysmans (c.1633-1696), Flemish portrait painter
Jan Baptist Huysmans (1654-1716), a Flemish painter, brother of Cornelis Huysmans
Jan-Baptist Huysmans (1826-1906), Belgian Orientalist painter and travel writer
Joris-Karl Huysmans (1848-1907), French novelist
Jos Huysmans (1941-2012), Belgian cyclist
Huijsman/Huysman:
Harald Huysman (b. 1959), Norwegian race car driver
Nicolas Huysman (b. 1968), French footballer
