Yochanan Afek (born Yohanan Kopelovich on April 16, 1952) is an International Master from Israel. He is also an International Master in chess composition. He is also an International Arbiter in composition chess and over-the-board chess. He also a FIDE master in chess problem solving. He probably has more FIDE titles than any other person, with five titles. His current Elo rating is 2350 with a peak Elo rating of 2389.