| Sergei Vaganov | |
| Fullname: | Sergei Konstantinovich Vaganov |
| Birth Date: | 1 July 1985 |
| Birth Place: | Bolshoye Murashkino, Nizhny Novgorod Oblast, Russian SFSR |
| Height: | 1.76 m |
| Position: | Midfielder/Forward |
| Years1: | 2003–2005 |
| Clubs1: | FC Lokomotiv-NN Nizhny Novgorod |
| Caps1: | 88 |
| Goals1: | 5 |
| Years2: | 2006–2008 |
| Clubs2: | FC Mordovia Saransk |
| Caps2: | 75 |
| Goals2: | 8 |
| Years3: | 2008–2012 |
| Caps3: | 122 |
| Goals3: | 10 |
| Years4: | 2012 |
| Clubs4: | FC Volga Nizhny Novgorod |
| Caps4: | 0 |
| Goals4: | 0 |
| Years5: | 2012 |
| Clubs5: | → FC Rotor Volgograd (loan) |
| Caps5: | 14 |
| Goals5: | 0 |
| Years6: | 2013 |
| Clubs6: | FC Rotor Volgograd |
| Caps6: | 12 |
| Goals6: | 1 |
| Years7: | 2013–2014 |
| Clubs7: | FC Mordovia Saransk |
| Caps7: | 4 |
| Goals7: | 0 |
| Years8: | 2014 |
| Clubs8: | FC Luch-Energiya Vladivostok |
| Caps8: | 20 |
| Goals8: | 0 |
| Years9: | 2015 |
| Clubs9: | FC Baltika Kaliningrad |
| Caps9: | 11 |
| Goals9: | 0 |
| Years10: | 2015–2016 |
| Clubs10: | FC SKA-Energiya Khabarovsk |
| Caps10: | 35 |
| Goals10: | 2 |
| Years11: | 2016 |
| Clubs11: | FC Olimpiyets Nizhny Novgorod |
| Caps11: | 5 |
| Goals11: | 0 |
| Years12: | 2017 |
| Clubs12: | FC Nosta Novotroitsk |
| Caps12: | 7 |
| Goals12: | 1 |
| Years13: | 2017–2018 |
| Clubs13: | FC Mordovia Saransk |
| Caps13: | 20 |
| Goals13: | 1 |
| Years14: | 2018–2019 |
| Clubs14: | FC Murom |
| Caps14: | 22 |
| Goals14: | 0 |
Sergei Konstantinovich Vaganov (Russian: Серге́й Константинович Ваганов; born 1 July 1985) is a Russian former professional football player.
He played 9 seasons in the Russian Football National League for 6 different clubs.