Kogan (Kagan) Isay (1894, Dvinsk – 1979, Jerusalem) – wine merchant, entrepreneur.

Isay Kogan was born into a religious family of wine merchants and kosher grape wine producers. Received secondary education. At an early age, he joined his father's business and often went on business trips on his behalf. He opened his own wine shop and later established the import-export company Apinyu Imports (Hop Imports) with offices in Dvinsk and Riga. He was involved in charity work. In the 1930s, he initiated a fundraiser for the complete renovation of the Great Choral Synagogue in Riga, which was burned down by the Nazis in June 1941. In 1938, the family moved to Riga. In June 1940, with the arrival of Soviet power, Kogan's enterprise was nationalised. On the night of 13-14 June 1941, Kogan and his family were arrested. Isay Kogan was sent to the Solikamsk camps in the Urals and sentenced by the NKVD Special Troika to five years' imprisonment. His wife Gitel-Gerta (1892, Dvinsk ― 1969, Riga) and two children were sent to settle in Siberia. Kogan was then transferred to the Taishet camp in the Krasnoyarsk region. In 1945, he was released early on health grounds (pellagra, stage 1) and sent to the Tomsk region. He worked as a labourer at the Tomsk Construction Trust, then was appointed deputy head of the ORS and head, working at the ORS until retirement age. After some time, his wife and children were allowed to move to reunite with him. In 1957, Kogan’s family was rehabilitated, and in 1963 they returned to Riga.

In 1969,Isay Kogan moved to Israel.