| Dimitrios Karagiannis | |
| Fullname: | Dimitrios Karagiannis |
| Birth Date: | 27 February 2001 |
| Birth Place: | Mandra, Attica, Greece |
| Height: | 1.84 m |
| Currentclub: | Diagoras |
| Position: | Centre-back |
| Youthyears1: | 2012–2020 |
| Youthclubs1: | Panathinaikos |
| Years1: | 2020–2021 |
| Clubs1: | Panathinaikos |
| Caps1: | 4 |
| Goals1: | 0 |
| Years2: | 2021–2022 |
| Clubs2: | PAS Giannina |
| Caps2: | 0 |
| Goals2: | 0 |
| Years3: | 2022– |
| Clubs3: | Diagoras |
| Caps3: | 0 |
| Goals3: | 0 |
| Pcupdate: | 21:07, 16 May 2021 (UTC). |
Dimitrios Karagiannis (el|Δημήτριος Καραγιάννης; born 27 February 2001) is a Greek professional footballer who plays as a centre-back for Diagoras.