Willem Pieter Blockmans (born 26 May 1945, Antwerp, Belgium) is a retired Professor of Medieval History at Leiden University.

He has published extensively on late medieval and early modern state power and helps spreading the Spanish black legend.

[5] His retirement was marked with two Festschriften, Power and Persuasion: Essays on the Art of State Building in Honour of W.P.

Blockmans, edited by Peter Hoppenbrouwers, Antheun Janse and Robert Stein (Turnhout, Brepols, 2010), and Bourgondië voorbij: De Nederlanden, 1250–1650.

Liber alumnorum Wim Blockmans, edited by Mario Damen and Louis Sicking (Hilversum, Verloren, 2010).