Willem II may refer to:
People William II, Prince of Orange (1626–1650), stadtholder of the United Provinces of the Netherlands William II of the Netherlands (1792–1849), King of the Netherlands
Other uses Willem II Tilburg, a Dutch football club Willem II (women), the women's division of the above club, active 2007–2011 Willem II–Gazelle, a professional cycling team active between 1966 and 1970 A Dutch brand of cigars
See also King Willem (disambiguation) Koning Willem de Tweede (ship), a Dutch ship wrecked off South Australia in 1857 Koning Willem II Stadion, stadium of Dutch football club Willem II Tilburg Wilhelm II (disambiguation), lists people named with the German equivalent of Willem II William II (disambiguation), lists people named with the English equivalent of Willem II