Giannis Ioannou (; born 9 April 1984) is a Greek professional footballer who plays as a defender.
Ioannou has spent most of his career playing for Panachaiki.
He signed with Panetolikos in the summer of 2012 and helped the team gain promotion to the 2013âÂÂ2014 Greek Super League. As his contract was not renewed, he signed with Panegialios in the summer of 2013.