Białousy is a village in the administrative district of Gmina Janów, within Sokółka County, Podlaskie Voivodeship, in north-eastern Poland.
The name of the village was first mentioned in 1709 as Wólka Białousów in a church certificate. The name comes from the surname of the family who first came to the area.
Notable landmarks A wooden windmill, made in 1880, registration number 431 from March 20, 1979.National Institute of Cultural Heritage. "Register of immovable monuments - Podlaskie Voivodeship. Retrieved on 30 September 2020.
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