Belous is a Russian surname meaning "a person with a white moustache". The Ukrainian surname Bilous has a similar etymology. Polish equivalent Białowąs, or less commonly Białous. Notable people with the surname include:
Charles Belous (1907–1966), Romanian-American attorney and politician Ilya Belous (born 1995), Russian football player Sergei Belous (born 1970), Russian football player Serghei Belous (born 1971), Moldovan football player Vasile Belous (1988–2021), Moldovan boxer Victoria Belous (born 1984), Moldovan politician Vladimir Belous (born 1993), Russian chess Grandmaster
See also
Belousov (patronymic surname)