Valkov is a Slavic masculine surname, its feminine counterpart is Valkova or Válková. Notable people with the surname include:Aleksandr Valkov, Russian football player Diyan Valkov, Bulgarian football player Helena Válková, Czech politician Jitka Válková, Czech beauty pageant contestant Katerina Valková, Czech volleyball player Konstantin Valkov, Russian cosmonaut Stanimir Dimov-Valkov, Bulgarian football player Vasily Valkov (1904–1972), Soviet ambassador Zuzana Valkova, Czech group rhythmic gymnast
