Bilous () is a Ukrainian surname meaning "a person with a white moustache". Russian names of the same derivation include Belous and Belousov (patronymic surname). The Polish-language equivalent is Białowąs, or less commonly Białous.

Notable people with the surname include:

Deron Bilous (born 1975), Canadian politician Finn Bilous (born 1999), New Zealand freestyle skier Len Bilous (born 1948), American soccer player and coach Serhiy Bilous (born 1999), Ukrainian footballer Jon Bilous (born 1996), American photographer

See also