Langano (Amharic: ላንጋኖ) is a lake in the Oromia Region of Ethiopia, exactly 200 kilometers by road south of the capital, Addis Ababa, on the border between the Misraq Shewa and Arsi Zones. The first European to record its existence, Oscar Neumann, records that it was also known as "Lake Kore". It is located to the east of Lake Abijatta in the Main Ethiopian Rift at an elevation of 1,585 meters.