The Grigorovich I-2 was a biplane fighter aircraft of the Soviet Union the first indigenous fighter to enter service in substantial numbers. Developed from the Grigorovich I-1 it first flew on 4 November 1924 piloted by A.I. Zhukov. The M-5 engine was a Soviet copy of the Liberty L-12. Production of the redesigned I-2bis was 211 aircraft. Production was performed by Aviation Repair Plant No.3 in Smolensk.
It is the successor of the Grigorovich I-1 .