Costas Rigas (Greek: Κώστας Ρήγας, born 29 March 1944, in Greece), is a retired Greek pro basketball player, and a former pro basketball referee.
Rigas is a member of the EuroLeague's 50 greatest contributors.
[1] Rigas played club basketball with Amyntas, in Greece.
He also played with the youth national team of Greece, in one game.
Highlights of his reffing career are the 1984 Summer Olympic Games final, the 1986 FIBA World Championship title game, the 1992 Summer Olympic Games women's final, four EuroLeague Finals (1984, 1985, 1986, 1991), and 4 Korać Cup title games.