Nikolai Ivanov
Nikolai Ivanov is the name of the following people:
- Nikolai Ivanov (cyclist) (* 1989), Kazakh cyclist
- Nikolai Iudowitsch Ivanov (1851-1919), Russian general
- Nikolai Markelowitsch Ivanov (1911–1974), Soviet-Russian major general
- Nikolai Nikolajewitsch Ivanov (* 1942), Soviet sprinter
- Nikolai Petrovich Ivanov (1949–2012), Soviet rower
- Nikolai V. Ivanov (* 1954), Russian-American mathematician
