Leonard Blussé van Oud Alblas (born 23 July 1946 in Rotterdam) is a Dutch historian concerned with the field of Asian-European relations.

He is the founder of the journal Itinerario and initiated the Crayenborgh College guest lecture series which was the first honours class in a Dutch University.

[5] Together with Wim van den Doel, Blussé initiated the Crayenborgh College guest lecture series as the Honours Class of the Master´s programme of the history department at Leiden University in the Netherlands.

The concept was based on the Friday morning seminars of the Davis Center, Princeton University.

Among the guest lecturers and students of Crayenborgh College were Liah Greenfeld[8],Frank Dikötter[9],Stephen K. Sanderson[10],Norman Housley,[11] Eric Hobsbawm, Lisa Jardine, Felipe Fernandez-Armesto, Jürgen Osterhammel and Chris Bayly.