Ryazantsev

Ryazantsev or Riazantsev is a Russian masculine surname, its feminine counterpart is Ryazantseva or Riazantseva. It may refer to

Aleksandr Ryazantsev, Russian footballer
Alexander Riazantsev (ice hockey), Russian ice hockey player
Alexander Riazantsev (chess player), Russian chess grandmaster
Maksim Ryazantsev, Russian football player
Vladislav Ryazantsev, Russian politician