Sarab-e Dowreh (, also Romanized as Sarāb-e Dowreh, Sarāb Dowrah, Sarāb Dowreh, and Sarāb-e Do Rah; also known as Sarāb Darreh and Sarāb Doreh) is a city in the Chegeni District of Dowreh County, Lorestan province, Iran, and serves as both capital of the district and of the county.
At the 2006 National Census, its population was 1,312 in 326 households, when it was in the former Dowreh-e Chegeni District of Khorramabad County. The following census in 2011 counted 1,515 people in 368 households, by which time the district had separated from the county in the establishment of Dowreh County. Sarab-e Dowreh became capital of the new county. The latest census in 2016 showed a population of 1,713 people in 478 households.