The 46th Indian Infantry Brigade was an Infantry formation of the Indian Army during World War II. The brigade was formed in June 1941, at Ahmednagar in India and assigned to the 17th Indian Infantry Division. In February 1942, during the Japanese conquest of Burma the Brigade suffered heavy casualties during the retreat to the Sittang River and was dispersed into small groups after the Battle of Sittang Bridge. The Brigade was never reformed and officially disbanded 25 February 1942.