Theodoros Roussopoulos (Greek: Θεόδωρος Ρουσόπουλος) (born 13 September 1963) is a Greek politician. He was Minister of State and Government Spokesman from 7 March 2004 until 23 October 2008, as well as one of Prime Minister Kostas Karamanlis's closest aides.

Roussopoulos was born in Kyparissia.

He studied at the Laboratory of Professional Journalism (Εργαστήρι Επαγγελματικής Δημοσιογραφίας), before continuing with a course in Journalism at the "Oxford Academy". He is a graduate of the Hellenic Open University, where he attended the Department for the Study of Greek Culture of the Faculty of Humanities.