Kogan Khaim (Chaim) (b. December 16, 1938, Rogachev) — wrestling coach.

During the Second World War, Khaim Kogan was evacuated from Leningrad to the Ural region. In 1947, he and his mother moved to Riga. As a schoolboy, he twice competed in the USSR Youth Championships in Greco-Roman wrestling.

He graduated from the Latvian State Institute of Physical Culture, achieving the qualification of Master of Sport while still in his first year. At the age of 23, he became the coach of the Latvian national team in classical (Greco-Roman) wrestling.

In 1967, Kogan was invited to join the coaching staff of the USSR national team, and in 1971 he was awarded the title of Honored Coach of the USSR. Among his trainees were the legendary wrestlers Aleksandr Karelin and Mikhail Mamiashvili. He participated as a coach in the Munich (1972) and Moscow (1980) Olympic Games and took part in training American wrestlers for the 1988 Seoul Olympics.

Kogan holds the academic degree of Candidate of Pedagogical Sciences. During the perestroika period, he turned to business and later became the Latvian representative of Vagit Alekperov, president of the company LUKOIL.