| Personal information | |||
|---|---|---|---|
| Full name | Ioannis Tatsis | ||
| Date of birth | 15 August 1972 | ||
| Place of birth | Ioannina, Greece | ||
| Position(s) | Midfielder | ||
| Youth career | |||
| –1990 | PAS Giannina | ||
| Senior career* | |||
| Years | Team | Apps | (Gls) |
| 1990–1995 | PAS Giannina | 124 | (14) |
| 1995–1998 | Apollon Smyrnis | 88 | (7) |
| 1998–2000 | Paniliakos | 42 | (2) |
| 2000–2001 | PAS Giannina | 39 | (3) |
| 2001–2002 | Akratitos | 20 | (0) |
| 2002–2004 | Kallithea | 50 | (11) |
| 2004–2007 | PAS Giannina | 79 | (5) |
| 2007–2009 | Kavala | 54 | (2) |
| 2009–2010 | Pyrgetos | ||
| Total | 496 | (44) | |
| Managerial career | |||
| 2012–2015 | PAS Giannina U20 | ||
| 2015–2016 | AO Tybakiou | ||
| 2016–2017 | Ergotelis (assistant) | ||
| 2017–2018 | Chania (assistant) | ||
| 2018–2020 | Platanias | ||
| 2020 | Kallithea | ||
| 2020–2021 | AEL | ||
| 2021 | Kallithea | ||
| 2021–2022 | Irodotos | ||
| 2022–2023 | Apollon Smyrnis | ||
| 2023 | Apollon Smyrnis | ||
| 2023–2024 | Panachaiki | ||
| *Club domestic league appearances and goals | |||
Giannis Tatsis (Greek: Γιάννης Τάτσης; born 15 August 1972) is a Greek professional football manager and former player who manages Panachaiki.[1][2]