Charalampos “Charis” Giannopoulos (Greek: Χαράλαμπος “Χάρης” Γιαννόπουλος; born July 13, 1989) is a Greek professional basketball player who plays for Rethymno Cretan Kings. He is 2.01 m (6 ft 7 in) tall, and he can play at both the shooting guard and small forward positions, although he is primarily a small forward. Giannopoulos began his pro career with the Greek League club PAOK Thessaloniki, during the 2005-06 season. He joined the Greek club Olympiacos Piraeus in 2008. He moved to Panionios for 2 seasons, from 2009-2011. He joined Peristeri for the 2011-12 season.