Ensaro is one of the woredas in the Amhara Region of Ethiopia. Part of the Semien Shewa Zone, Ensaro is bordered on the south and west by the Oromia Region, on the north by the Jamma River which separates it from Merhabiete, on the northeast by Moretna Jiru, and on the east by Siyadebrina Wayu. Towns in Ensaro include Lemi.
This woreda was originally named Ensaro, which is the name used in the 1994 national census, and it was changed to Ensaro Wayu prior to the Ethiopian Agricultural Sample Survey in October 2001. Siyadebrina Wayu was split from Ensaro Wayu between 2004 and 2007.
Based on the 2007 national census conducted by the Central Statistical Agency of Ethiopia (CSA), this woreda has a total population of 58,203, of whom 29,888 are men and 28,315 women; 3,164 or 5.44% are urban inhabitants. The majority of the inhabitants practiced Ethiopian Orthodox Christianity, with 99.89% reporting that as their religion.
The 1994 national census reported a total population for this woreda of 122,473 in 24,069 households, of whom 62,057 were men and 60,416 were women; 5,464 or 4.46% of its population were urban dwellers. The two largest ethnic groups reported in Ensaro were the Amhara (70.27%), and the Oromo (29.58%); all other ethnic groups made up 0.15% of the population. Amharic was spoken as a first language by 68.97%, and Oromiffa was spoken by 30.98%; the remaining 0.05% spoke all other primary languages reported. The majority of the inhabitants practiced Ethiopian Orthodox Christianity, with 99.87% reporting that as their religion.