Spyros Vallas (Greek: Σπύρος Βάλλας; born 26 August 1981) is a Greek former professional footballer.
Vallas, a defender, started his career at Skoda Xanthi, and transferred to Olympiacos in July 2003.
He returned to his first team, Skoda Xanthi, in July 2007.
He was Young Player of the year in the 2002 season.
On 26 September 2014, he announced his decision to retire from professional football.