| Szymon Działakiewicz | |
| Birth Date: | 17 February 2000 |
| Birth Place: | Legnica, Poland |
| Nationality: | Polish |
| Height: | 1.90 m |
| Position: | Right back |
| Currentclub: | GWD Minden |
| Clubnumber: | 24 |
| Youthyears1: | –2016 |
| Youthclubs1: |  UKS Dziewiątka Legnica |
| Years1: | 2016–2019 |
| Clubs1: | SMS Gdańsk |
| Years2: | 2019–2021 |
| Clubs2: | Gwardia Opole |
| Years3: | 2021–2022 |
| Clubs3: | VfL Gummersbach |
| Years4: | 2022–2023 |
| Clubs4: |  Redbergslids IK |
| Years5: | 2023–2024 |
| Clubs5: |  SC Pick Szeged |
| Years6: | 2024– |
| Clubs6: | GWD Minden |
| Nationalyears1: | 2019– |
| Nationalteam1: | Poland |
| Nationalcaps1: | 3 |
| Nationalgoals1: | 5 |
Szymon Działakiewicz (born 17 February 2000) is a Polish handball player for GWD Minden and the Polish national team.[1]