The 9th Indian Infantry Brigade was an infantry brigade formation of the Indian Army during World War II. Before the war the 9th (Jhansi) Infantry Brigade was a peacetime formation in Meerut district. This brigade was redesignated the 5th Indian Infantry Brigade and a new 9th Brigade was then formed all in September 1939. The new brigade was assigned to the 5th Indian Infantry Division in June 1940 to January 1944. It then spent February attached to the 7th Indian Infantry Division before returning to the 5th Division. The brigade spent two other short periods away from the 5th Division it was attached to the 17th Indian Infantry Division between March and April 1945 and was with the 19th Indian Infantry Division in April 1945, and returned to the 5th for the rest of the war.