Spyridon "Spyros" Magkounis (alternate spellings: Spiridon, Spiros, Magounis) (; born December 10, 1985, in Greece) is a Greek professional basketball player. He is a tall small forward.
Some of the clubs that Magkounis has played at the pro club level with include: AEK Athens, Aigaleo, Rethymno, and Elefsina.
Magkounis was a member of the junior national teams of Greece. He played at the 2001 FIBA Europe Under-16 Championship and the 2005 FIBA Europe Under-20 Championship.