In this Malay name, there is no surname or family name. The name Wan Hassan is a patronymic, and the person should be referred to by their given name, Jamak. The word "bin" or "binti"/"binte" means 'son of' or 'daughter of', respectively.
Wan Jamak bin Wan Hassan (born 22 November 1957) is a Malaysian former footballer who is currently working as a technical director at Malaysia Super League club Kuching City.