| Giannis Sourdis | |
| Fullname: | Ioannis Sourdis |
| Birth Date: | 29 September 2001 |
| Birth Place: | Athens, Greece |
| Height: | 1.91 m |
| Currentclub: | Lamia |
| Clubnumber: | 55 |
| Position: | Goalkeeper |
| Youthyears1: | 2013–2017 |
| Youthclubs1: | Panathinaikos |
| Youthyears2: | 2017–2018 |
| Youthclubs2: | Watford |
| Youthyears3: | 2018–2019 |
| Youthclubs3: | Udinese |
| Years1: | 2019–2021 |
| Clubs1: | Udinese |
| Caps1: | 0 |
| Goals1: | 0 |
| Years2: | 2019–2020 |
| Clubs2: | → Cjarlins Muzane (loan) |
| Caps2: | 28 |
| Goals2: | 0 |
| Years3: | 2020–2021 |
| Clubs3: | → Rimini (loan) |
| Caps3: | 0 |
| Goals3: | 0 |
| Years4: | 2021 |
| Clubs4: | → Cjarlins Muzane (loan) |
| Caps4: | 12 |
| Goals4: | 0 |
| Years5: | 2021–2024 |
| Clubs5: | Panathinaikos B |
| Caps5: | 5 |
| Goals5: | 0 |
| Years6: | 2024– |
| Clubs6: | Lamia |
| Caps6: | 0 |
| Goals6: | 0 |
| Nationalyears1: | 2019 |
| Nationalteam1: | Greece U18 |
| Nationalcaps1: | 2 |
| Nationalgoals1: | 0 |
| Pcupdate: | 16 June 2023 |
| Ntupdate: | 5 June 2019 |
Giannis Sourdis (Greek, Modern (1453-);: Γιάννης Σουρδής; born 29 September 2001) is a Greek professional footballer who plays as a goalkeeper for Super League club Lamia.[1]