| Denis Gudayev | |
| Fullname: | Denis Vadimovich Gudayev |
| Birth Date: | 20 February 1991 |
| Birth Place: | Klin, Russian SFSR |
| Height: | 1.84 m |
| Position: | Defender |
| Youthyears1: | –2006 |
| Youthclubs1: | DYuSSh Klin |
| Youthyears2: | 2006–2007 |
| Youthclubs2: | FC FShM Torpedo Moscow |
| Youthyears3: | 2007 |
| Youthclubs3: | FC Sportakademklub Moscow |
| Youthyears4: | 2007–2009 |
| Youthclubs4: | FC Sibir Novosibirsk |
| Years1: | 2008 |
| Clubs1: | FC Sibir-2 Novosibirsk |
| Caps1: | 0 |
| Goals1: | 0 |
| Years2: | 2009 |
| Clubs2: | FC Sibir-LFK Novosibirsk |
| Years3: | 2010 |
| Clubs3: | FC Sibir Novosibirsk |
| Caps3: | 0 |
| Goals3: | 0 |
| Years4: | 2010 |
| Clubs4: | → FC Radian-Baikal Irkutsk (loan) |
| Caps4: | 8 |
| Goals4: | 0 |
| Years5: | 2011 |
| Clubs5: | FC Sibir-2 Novosibirsk |
| Caps5: | 24 |
| Goals5: | 1 |
| Years6: | 2012 |
| Clubs6: | FC Sibir Novosibirsk |
| Caps6: | 2 |
| Goals6: | 0 |
| Years7: | 2012–2013 |
| Clubs7: | FC Sibir-2 Novosibirsk |
| Caps7: | 27 |
| Goals7: | 2 |
| Years8: | 2015–2017 |
| Caps8: | 62 |
| Goals8: | 11 |
| Years9: | 2017 |
| Caps9: | 14 |
| Goals9: | 0 |
| Years10: | 2018 |
| Clubs10: | FC Titan Klin (amateur) |
| Years11: | 2020–2023 |
| Clubs11: | FC Zelenograd (amateur) |
Denis Vadimovich Gudayev (Russian: Денис Вадимович Гудаев; born 20 February 1991) is a Russian football player.
He made his Russian Football National League debut for FC Sibir Novosibirsk on 11 April 2012 in a game against FC Shinnik Yaroslavl.