South Holland (Dutch: Zuid-Holland [ˈzœy̆t ˈɦɔlɑnt] ( listen)) is a province situated on the North Sea in the western part of the Netherlands. The provincial capital is The Hague and its largest city is Rotterdam.

South Holland is one of the most densely populated and industrialised areas in the world. With a population of 3,502,595 (30 November 2009) and an area of 3,403 km², the province has the highest population density in the Netherlands.