Delo Menna is one of the woredas in the Oromia Region of Ethiopia. It was part of former Mennana Harena Buluk woreda what was separated for Delo Menna and Harena Buluk woredas. Part of the Bale Zone, Mennana Harena Buluk was bordered on the south by Meda Welabu, on the west by Nensebo, on the northwest by Adaba, on the north by Goba, on the northeast by Berbere, and on the east by Guradamole.