Metin Diyadin
| Personal information | |||
|---|---|---|---|
| Date of birth | February 16, 1968 | ||
| Place of birth | Trabzon, Turkey | ||
| Height | 1.70 m (5 ft 7 in) | ||
| Position | Midfielder | ||
| Senior career* | |||
| Years | Team | Apps | (Gls) |
| 1988–1998 | Gençlerbirliği | 232 | (20) |
| 1994–1995 | → Denizlispor (loan) | 24 | (3) |
| 1998–2000 | Fenerbahçe | 42 | (4) |
| 2000–2002 | Göztepe | 48 | (8) |
| 2002–2003 | Kayserispor | 4 | (0) |
| Total | 350 | (35) | |
| Managerial career | |||
| 2005–2007 | Gençlerbirliği OFTAŞ | ||
| 2007–2008 | Eskişehirspor | ||
| 2008 | Çaykur Rizespor | ||
| 2009 | Trabzonspor (assistant) | ||
| 2011 | Orduspor | ||
| 2012 | Kasımpaşa | ||
| 2013 | Gençlerbirliği | ||
| 2014–2016 | Göztepe | ||
| 2016–2017 | Gazişehir Gaziantep | ||
| 2017–2018 | Giresunspor | ||
| 2019 | Ankaragücü | ||
| 2021 | Bandırmaspor | ||
| 2021–2022 | Gençlerbirliği | ||
| 2023–2024 | Iğdır | ||
| 2025–2026 | Gençlerbirliği | ||
| * Club domestic league appearances and goals as of 15 February 2026 | |||
Metin Diyadin (born 16 February 1968) is a Turkish football manager and retired player. He last managed Süper Lig club Gençlerbirliği.