Nikolai Kovalyov

Nikolai Kovalyov is the name of the following people:

• Nikolai Anatoljewitsch Kowaljow (* 1986), Russian saber fencer
• Nikolai Dmitrijewitsch Kowaljow (1949–2019), Russian politician and secret service official

This is a disambiguation page for differentiating between several terms identified with the same word.