Jorge de Alarcão (born 3 November 1934 in Coimbra, Portugal) is a Portuguese archaeologist.
His doctoral dissertation was on Cerâmica Comum Local e Regional de Conimbriga.
He has received honorary doctorates from the University of Bordeaux (1985) and Santiago de Compostela (1996) and has oriented at least 50 students.
His more than ninety publications include Les villas romaines de São Cucufate, written in collaboration with R. Etienne and F. Mayet.
His English publications include the two-volume edited work Roman Portugal (1988).