Also Nikolay.

Russian and Bulgarian form of the name Nicholas.

Alternative forms of the name are: Nikola, Niko, Nikolas, Nils, Klaus, Niklas, Nik.

Famous bearers are Nikolai Gogol, Nikolai Rimsky-Korsakov, Nikolai Fraiture, Nikolai Morozov, Nikolai Lugansky, Nikolai Nikolaeff, Nikolay Burlyaev, Nikolai Rubinstein, Nikolai Rybnikov.