Kleanthis Ierissiotis was a Greek athlete who competed in the hammer throw.
Ierissiotis was born in Thessaloniki on March 14, 1953. He was an athlete of Iraklis and competed in the Olympiad of 1976.
Ierissiotis broke the Greek record for the hammer throw 4 times, the last time being on September 18, 1980 with 73.00m.
Among his accomplishments was a gold medal in the Mediterranean Games of 1979.