Ludolf is a surname or given name. Notable people with the name include:
George Philipp Ludolf von Beckedorff (1778-1858), prominent Prussian Roman Catholic convert and parliamentarian
Hiob Ludolf (1624-1704), German orientalist
Ludolf Backhuysen (1630-1708), Dutch painter
Ludolf König (circa 1280-1347), 20th Grand Master of the Teutonic Knights
Ludolf von Alvensleben (1901-1970), Nazi official