| Birth Date: | 16 April 1966 |
| Height: | 1.9m (06.2feet) |
| Weight: | 81kg (179lb) |
| Sport: | Swimming |
| Club: | SKA St. Petersburg |
| Show-Medals: | yes |
Nikolay Sergeyevich Yevseyev (Russian: Николай Серге́евич Евсеев; born 16 April 1966) is a Russian former freestyle swimmer. He won a silver and a bronze medal in 4 × 100 m relays at the 1986 World Aquatics Championships. Two years later he competed at the 1988 Summer Olympics in three relays and won a silver and a bronze medal. In the 4 × 100 m medley relay he swam only in the preliminary round, whereas his team was disqualified in the 4 × 200 m freestyle relay.
He graduated from the Lesgaft University of Physical Education in Saint Petersburg, where he was coached by Gennadi Touretski. In 1994 he moved to Germany where he works as a swimming coach. He married Angela Maurer, a German Olympic marathon swimmer and his trainee. They have a son, Maxim, born ca. 2005.