Berdyaev or Berdyayev () is a Slavic masculine surname, its feminine counterpart is Berdyaeva or Berdyayeva. It may refer to: Lydia Berdyaev (1871–1945), Russian poet, wife of Nikolai Nikolai Berdyaev (1874–1948), Russian religious and political philosopher Minor planet 4184 Berdyayev named after Nikolai Berdyaev