Sergei Nikolayev

Sergei Nikolayev may refer to:


 * Sergei Nikolayev (footballer), Russian football player
 * Sergei Nikolayev (ice hockey), Russian ice hockey player
 * Sergey Nikolaev (cyclist), Russian cyclist
 * Sergey Nikolayev (shot putter) (born 1966), Russian shot putter
 * Sergei Nikolaev (linguist), Russian linguist