Giannis Papakostas (Greek: Γιάννης Παπακώστας) is a Greek football manager. Papakostas began his coaching career at Eleusina and Chalkidona and PAS Giannina that he brought into the semi-final of Greek Cup in the season 2006–2007. Papakostas later cut his teeth on such clubs as Panserraikos and Kavala FC.