Yarensky Uyezd (Russian: Яренский уезд) was one of the subdivisions of the Vologda Governorate of the Russian Empire. It was situated in the northern part of the governorate. Its administrative centre was Yarensk.
At the time of the Russian Empire Census of 1897, Yarensky Uyezd had a population of 172,187. Of these, 68.9% spoke Komi-Zyryan and 30.9% Russian as their native language.[1]