| Sakis Theodosiadis | |
| Fullname: | Theodosios Theodosiadis |
| Birth Date: | 1975 5, df=yes |
| Birth Place: | Edessa, Greece |
| Currentclub: | Zakynthos (manager) |
| Position: | Defender |
| Years1: | 1992–1993 |
| Years2: | 1993–1994 |
| Years3: | 1994–2001 |
| Years4: | 2001–2002 |
| Years5: | 2002 |
| Years6: | 2003–2004 |
| Years7: | 2004–2008 |
| Years8: | 2008–2009 |
| Years9: | 2009–2010 |
| Years10: | 2010–2012 |
| Clubs1: | Naoussa |
| Clubs2: | Irodotos |
| Clubs3: | AO Trikala |
| Clubs4: | → Meteora (loan) |
| Clubs5: | AO Trikala |
| Clubs6: | AEL |
| Clubs7: | Levadiakos |
| Clubs8: | Panetolikos |
| Clubs9: | AO Trikala |
| Clubs10: | Anagennisi Karditsa |
| Caps2: | 7 |
| Caps3: | 153 |
| Caps4: | 4 |
| Caps5: | 16 |
| Caps6: | 51 |
| Caps7: | 84 |
| Caps8: | 32 |
| Caps9: | 27 |
| Caps10: | 26 |
| Goals2: | 0 |
| Goals3: | 2 |
| Goals4: | 0 |
| Goals5: | 1 |
| Goals6: | 1 |
| Goals7: | 0 |
| Goals8: | 1 |
| Goals9: | 0 |
| Goals10: | 0 |
| Pcupdate: | 12 June 2016 |
| Manageryears1: | 2012–2016 |
| Managerclubs1: | Anagennisi Karditsa |
| Manageryears2: | 2016–2017 |
| Managerclubs2: | Apollon Larissa |
| Manageryears3: | 2018 |
| Managerclubs3: | Sparta |
| Manageryears4: | 2018–2019 |
| Managerclubs4: | Veria |
| Manageryears5: | 2019 |
| Managerclubs5: | Kalamata |
| Manageryears6: | 2021 |
| Managerclubs6: | Diagoras |
| Manageryears7: | 2022–2023 |
| Managerclubs7: | Olympiacos Volos |
| Manageryears8: | 2023 |
| Managerclubs8: | AO Trikala |
| Manageryears9: | 2023 |
| Managerclubs9: | Makedonikos |
| Manageryears10: | 2023–2024 |
| Managerclubs10: | AO Trikala |
| Manageryears11: | 2024 |
| Managerclubs11: | Pierikos |
| Manageryears12: | 2024– |
| Managerclubs12: | Zakynthos |
Theodosis 'Sakis' Theodosiadis (el|Θεοδόσης 'Σάκης' Θεοδοσιάδης, born 23 May 1975) is a Greek professional football manager and former player.
Born in Edessa, Greece, Theodosiadis began playing football for Naoussa F.C. in 1992. He played for Trikala F.C. in the Delta Ethniki.[1] In the 2008-2009 season, he played for Panetolikos and was crucial, as a starting central defender, in their bid for promotion from the third Greek division to the second Greek division.
Theodosiadis has also previously played for AEL and Levadiakos F.C. in the Greek Super League.[2]
After retiring he started managing Anagennisi Karditsa in 2012.[3]