| Nikolay Yefimov | |
| Fullname: | Nikolay Yevgenyevich Yefimov |
| Birth Date: | 23 January 1984 |
| Position: | Defender |
| Youthclubs1: | Smena-Zenit |
| Years1: | 2002 |
| Caps1: | 29 |
| Goals1: | 0 |
| Years2: | 2003–2004 |
| Caps2: | 0 |
| Goals2: | 0 |
| Years3: | 2006 |
| Caps3: | 14 |
| Goals3: | 2 |
| Years4: | 2006 |
| Caps4: | 10 |
| Goals4: | 0 |
| Years5: | 2006–2008 |
| Caps5: | 26 |
| Goals5: | 8 |
Nikolay Yevgenyevich Yefimov (Russian: Николай Евгеньевич Ефимов; born 23 January 1984) is a former Russian football defender.
Yefimov spent two seasons with Zenit U-21 team. He made his professional debut for Zenit on 5 September 2003 in the Russian Premier League Cup semi-final against Torpedo Moscow. From 2006 to 2008 he played for a number of Russian Second Division clubs including Metallurg-Kuzbass and Zenit-2.