| Yuri Dyadyuk | |
| Fullname: | Yuri Stepanovich Dyadyuk |
| Birth Date: | 13 March 1970 |
| Birth Place: | Taganrog, Russia |
| Height: | 1.80 m |
| Currentclub: | FC Rostov (U-21 analyst) |
| Position: | Defender/Midfielder |
| Years1: | 1987–1989 |
| Years2: | 1990–1991 |
| Years3: | 1992–1999 |
| Years4: | 1999–2000 |
| Years5: | 2001 |
| Years6: | 2002 |
| Years7: | 2003 |
| Years8: | 2005 |
| Clubs1: | FC Torpedo Taganrog |
| Clubs2: | FC SKA Rostov-on-Don |
| Clubs3: | FC Rostselmash Rostov-on-Don |
| Clubs4: | FC Rostselmash-2 Rostov-on-Don |
| Clubs5: | FC Lokomotiv Nizhny Novgorod |
| Clubs6: | FC Irtysh Omsk |
| Clubs7: | FC Mashuk-KMV Pyatigorsk |
| Clubs8: | FC Alternativa Rostov-on-Don |
| Caps1: | 92 |
| Caps2: | 77 |
| Caps3: | 204 |
| Caps4: | 4 |
| Caps5: | 5 |
| Caps6: | 25 |
| Caps7: | 35 |
| Goals1: | 5 |
| Goals2: | 5 |
| Goals3: | 4 |
| Goals4: | 0 |
| Goals5: | 0 |
| Goals6: | 0 |
| Goals7: | 7 |
| Manageryears1: | 2009–2017 |
| Managerclubs1: | FC Rostov (academy) |
| Manageryears2: | 2017– |
| Managerclubs2: | FC Rostov (U-21 analyst) |
Yuri Stepanovich Dyadyuk (Russian: Юрий Степанович Дядюк; born 13 March 1970) is a Russian professional football coach and a former player. He works as an analyst for the Under-21 squad of FC Rostov.
He made his professional debut in the Soviet Second League in 1987 for FC Torpedo Taganrog. He played 5 games and scored 1 goal in the UEFA Intertoto Cup 1999 for FC Rostselmash Rostov-on-Don.