Kostas Sfikas is a Greek lawyer who formerly was an athlete who competed in the triple jump.
Sfikas was born on October 14, 1937. He was an athlete of Ethnikos Gymnastic Club.
Sfikas broke the Greek record for the triple jump three times, the last time being on May 22, 1960 with 15.45m.
Among his accomplishments were:
- A bronze medal in the Mediterranean Games of 1955
- A silver medal in the Balkan Games of 1955
- A bronze medal in the Balkan Games of 1958