| Giannis Sardelis | |
| Fullname: | Ioannis Sardelis |
| Birth Date: | 3 November 2000 |
| Birth Place: | Methoni, Messenia, Greece |
| Height: | 1.71 m |
| Currentclub: | Athens Kallithea |
| Clubnumber: | 20 |
| Position: | Attacking midfielder |
| Youthyears1: | 2016–2019 |
| Youthclubs1: | AEK Athens |
| Years1: | 2018–2021 |
| Clubs1: | AEK Athens |
| Caps1: | 1 |
| Goals1: | 0 |
| Years2: | 2021–2024 |
| Clubs2: | Panathinaikos B |
| Caps2: | 70 |
| Goals2: | 12 |
| Years3: | 2024– |
| Clubs3: | Athens Kallithea |
| Caps3: | 0 |
| Goals3: | 0 |
| Nationalyears1: | 2018 |
| Nationalcaps1: | 4 |
| Nationalgoals1: | 0 |
| Nationalyears2: | 2018 |
| Nationalcaps2: | 2 |
| Nationalgoals2: | 0 |
| Nationalyears3: | 2021–2022 |
| Nationalteam3: | Greece U21 |
| Nationalcaps3: | 5 |
| Nationalgoals3: | 2 |
| Pcupdate: | 1 June 2024 |
| Ntupdate: | 29 March 2022 |
Giannis Sardelis (Greek, Modern (1453-);: Γιάννης Σαρδέλης; born 3 November 2000) is a Greek professional footballer who plays as an attacking midfielder for Super League club Athens Kallithea.