Semien Bench is one of the woredas in the Southern Nations, Nationalities, and Peoples' Region of Ethiopia. It is named for the Bench people. Part of the Bench Maji Zone, Semien Bench is bordered on the southwest by Debub Bench, on the west by Sheko, on the northwest by the Sheka Zone, on the east by the Keffa Zone, and on the southeast by She Bench. Semien Bench is part of former Bench woreda.