| Konstantin Zaytsev | |
| Fullname: | Konstantin Nikolayevich Zaytsev |
| Birth Date: | 16 December 1983 |
| Birth Place: | Donetsk, Ukrainian SSR |
| Currentclub: | FC Yenisey Krasnoyarsk (assistant coach) |
| Position: | Defender |
| Youthclubs1: | FC Shakhtar Donetsk |
| Years1: | 2001–2002 |
| Caps1: | 1 |
| Goals1: | 0 |
| Years2: | 2002–2003 |
| Caps2: | 13 |
| Goals2: | 2 |
| Years3: | 2003–2007 |
| Caps3: | 93 |
| Goals3: | 1 |
| Years4: | 2008 |
| Caps4: | 29 |
| Goals4: | 0 |
| Years5: | 2009–2012 |
| Caps5: | 64 |
| Goals5: | 3 |
| Years6: | 2012 |
| Clubs6: | FC Tyumen |
| Caps6: | 3 |
| Goals6: | 0 |
| Years7: | 2013 |
| Clubs7: | FC Zvezda Ryazan |
| Caps7: | 2 |
| Goals7: | 0 |
| Years8: | 2013–2016 |
| Caps8: | 63 |
| Goals8: | 1 |
| Manageryears1: | 2018–2019 |
| Managerclubs1: | FC Algoritm Saint Petersburg |
| Manageryears2: | 2020–2021 |
| Managerclubs2: | FC Zvezda Saint Petersburg (assistant) |
| Manageryears3: | 2021–2022 |
| Managerclubs3: | FC Van (assistant) |
| Manageryears4: | 2022 |
| Managerclubs4: | FC Znamya Truda Orekhovo-Zuyevo (assistant) |
| Manageryears5: | 2022– |
| Managerclubs5: | FC Yenisey Krasnoyarsk (assistant) |
Konstantin Nikolayevich Zaytsev (ru|Константин Николаевич Зайцев; born 16 December 1983) is a Russian professional football coach and a former player. He is an assistant coach with FC Yenisey Krasnoyarsk. He also holds Ukrainian citizenship as Kostyantyn Mykolayovych Zaytsev (uk|Костянтин Миколайович Зайцев).
He played 8 seasons in the Russian Football National League for FC SKA-Energiya Khabarovsk, FC Vityaz Podolsk and FC Mordovia Saransk.[1]