Iosif Kesidis (born 19/08/2005) is a Cypriot track and field athlete who competes in the hammer throw. His career stands out for its consistency and top achievements across different age categories.

In the U18 category with the 5kg hammer, he won 1st place at the National Championships in Cyprus, 1st place at the Panhellenic Championships, 1st place at the European Championships, and 1st place at the World Championships. His best performance in that category was 84.05, a mark that is the 7th best of all time and also a national record.

Then, in the U20 category with the 6kg hammer, he continued at the same high level, winning 1st place at the National Championships in Cyprus, 1st place at the World Championships, 2nd place at the European Championships, and 1st place at the Tri-Nation Championships. His best throw was 82.80m, which is the U20 national record, the 6th best throw of all time, and the best throw in the world for 2024.

In the Men’s (Seniors) category with the 7kg hammer, he won 2nd place at the National Championships. He also stood out at U23 level, taking 1st place at the European U23 Cup and 1st place at the European U23 Championships. His best performance is 74.87m, which is the U23 national record.

Iosif is in his first year of studies in Sports Science at Frederick University.