Nikolay Petrov
Nikolay or Nikolai Petrov may refer to:
- Nikolai Arnoldovich Petrov, Russian pianist
- Nikolay Filippovich Petrov, Russian painter
- Nikolai Pavlovich Petrov, Russian engineer
- Nikolai Petrovich Petrov, Russian painter
- Nikolai Vasilevich Petrov, theatre director
- Nikolai Vladimirovich Petrov, political scientist
- Nikolay Petrov (footballer), Bulgarian football player
- Nikolay Petrov (ice hockey), Bulgarian ice hockey player
- Nikolai Petrov (academician), Russian theologist and philologist, Ukrainian academician