Belyayev (masculine) or Belyayeva (feminine) is a Russian patronymic surname derived from the nickname Belyay/Belyai (Беляй), for white (blond) hair.
The surname may refer to:
People
Alexander Belyaev, Russian author of science fiction
Alexander Belyaev (physicist), Russian physicist
Alexander G. Belyaev, Russian computer scientist
Alexander Belyayev (decembrist), member of the Decembrist movement
Anatoly Belyayev, Soviet scientist in the field of metallurgy
Dmitry Belyayev (disambiguation), several people
Evgeny Belyaev, Soviet tenor soloist with the Alexandrov Ensemble
Ivan Belyayev (disambiguation), several people
Mikhail Belyayev, Russian statesman, military figure, and infantry general
Mitrofan Belyayev, Russian entrepreneur and music publisher
Nikolai Belyaev (1903-1966), Soviet Communist Party leader
Nikolay Belyayev (scientist), Soviet scientist in the field durability theory
Nikolay Belyayev (metallurgist), Russian metallurgist
Pavel Belyayev, Russian cosmonaut
Sergey Belyayev, Kazakhstani shooter
Sergey Mikhaylovich Belyayev (1883-1953), Russian writer
Spartak Belyaev, Soviet physicist and academician
Vasily Belyayev, Soviet cinematographer and film director
Viktor Belyayev, Soviet musicologist
Vladimir Belyayev (botanist), Russian botanist
Volodymyr Byelyayev, Soviet Olympic gold medalist in volleyball in 1968
Vladimir Belyaev (weightlifter), Soviet Olympic silver medalist in weightlifting in 1968
Vladimir Belyayev (footballer), Soviet international footballer
Vladimir Pavlovich Belyaev, Soviet/Ukrainian writer
Yevgeny Belyayev, Soviet/Russian skier
Yevgeny Belyayev (historian), Soviet historian
Yury Belyayev (b. 1947), Russian actor
Other
Belyaev (crater), a lunar crater