Krasninsky Uyezd (Russian: Краснинский уезд; Belarusian: Краснінскі павет|translit=Krasninski paviet) was one of the subdivisions of the Smolensk Governorate of the Russian Empire. It was situated in the southwestern part of the governorate. Its administrative centre was Krasny.
At the time of the Russian Empire Census of 1897, Krasninsky Uyezd had a population of 102,257. Of these, 90.0% spoke Belarusian, 8.7% Russian, 0.7% Yiddish, 0.4% Polish, 0.1% Romani and 0.1% German as their native language.[1]