The 23rd Indian Infantry Brigade was an infantry brigade formation of the Indian Army during World War II from 1941 to at least 1947. The brigade was formed in February 1941, at Loralai in India and in June 1941, assigned to the 14th Indian Infantry Division. In March 1942, the brigade was reassigned to the 23rd Indian Infantry Division, just before being renumbered 123rd Indian Infantry Brigade. As the 123rd the brigade served in the Burma Campaign with not only the 23rd but with the 14th again and the 5th Indian Infantry Division.