Isaak Mironovich Kreisberg (Ukrainian: Ісак Миронович Крейсберг) was a Soviet political figure of Ukraine.
Born in 1898 in Kiev,[1] Kreisberg was taking part in a revolutionary movement since 1912.
[2] In 1914 he joined the RSDLP[3] and in 1915 was arrested and given three years of katorga (correctional labor) in arrest-companies of Kiev (released after the February Revolution).
On January 15, 1918 Kreisberg once again became a member of the Kiev Military Revolutionary Committee and participated in fighting against the Ukrainian forces.
In 1918 Kreisberg participated in underground revolutionary committee of Odessa and one of uprising leaders in Katerynoslav on December 28, 1918.