| Dmitri Polyanin | |
| Fullname: | Dmitri Borisovich Polyanin |
| Birth Date: | 30 March 1980 |
| Birth Place: | Perm, Russian SFSR |
| Currentclub: | FC Pari Nizhny Novgorod (fitness coach) |
| Position: | Midfielder |
| Years1: | 1998 |
| Clubs1: | FC Amkar Perm |
| Caps1: | 9 |
| Goals1: | 0 |
| Years2: | 1999–2002 |
| Clubs2: | FC Dynamo Perm |
| Caps2: | 93 |
| Goals2: | 13 |
| Years3: | 2003–2006 |
| Caps3: | 114 |
| Goals3: | 3 |
| Years4: | 2007–2016 |
| Caps4: | 202 |
| Goals4: | 6 |
| Years5: | 2011–2012 |
| Clubs5: | → FC Nizhny Novgorod (loan) |
| Caps5: | 43 |
| Goals5: | 0 |
| Years6: | 2016–2018 |
| Caps6: | 17 |
| Goals6: | 0 |
| Manageryears1: | 2018– |
| Managerclubs1: | FC Pari Nizhny Novgorod (fitness coach) |
Dmitri Borisovich Polyanin (Russian: Дмитрий Борисович Полянин; born 30 March 1980) is a Russian professional football coach and a former player. He works as a fitness coach with FC Pari Nizhny Novgorod.