Georgios Tziallas (Greek, Modern (1453-);: Γεώργιος Τζιάλλας, born 14 July 1987 in Ioannina) is a Greek rower. He finished 4th in the men's coxless four at the 2012 Summer Olympics.
He was again part of the Greek coxless men's four team at the 2016 Summer Olympics, taking the eighth place.