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
This disambiguation page lists articles about people with the same name.
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