Theodore Theodoridis (; born 1 August 1965) is a Greek football official.
In March 2016, Theodoridis was appointed interim general secretary of UEFA, as a replacement for Gianni Infantino. This became permanent that September, when current president Aleksander ÃÂeferin was elected. Before becoming general secretary, he was UEFA's deputy general secretary.
Prior to joining UEFA, Theodoridis was a board member of the Hellenic Football Federation (HFF).