Nikolay Popov (disambiguation)

Nikolay Popov or Nikolai Popov may refer to:
 * Nikolay Popov (1931–2008), Soviet engineer, tank designer
 * Nikolai B. Popov, Bulgarian translator
 * Nikolay Popov (revolutionary), Soviet revolutionary, a Third Secretary of the Communist Party of Ukraine
 * Nikolai Popov, character in October: Ten Days That Shook the World