| Joonas Sundman | |
| Fullname: | Joonas Sebastian Sundman |
| Birth Date: | 20 January 1998 |
| Birth Place: | Seinäjoki, Finland[1] |
| Height: | [2] |
| Position: | Defender |
| Currentclub: | PK-35 |
| Youthclubs1: | TP-Seinäjoki[3] |
| Youthyears2: | 2012–2014 |
| Youthclubs2: | SJK |
| Youthyears3: | 2014–2017 |
| Youthclubs3: | Aston Villa |
| Years1: | 2017–2021 |
| Clubs1: | SJK |
| Caps1: | 56 |
| Goals1: | 0 |
| Years2: | 2021 |
| Clubs2: | → TPS (loan) |
| Caps2: | 13 |
| Goals2: | 0 |
| Years3: | 2022–2023 |
| Clubs3: | TPS |
| Caps3: | 27 |
| Goals3: | 0 |
| Years4: | 2024– |
| Clubs4: | PK-35 |
| Caps4: | 7 |
| Goals4: | 0 |
| Nationalyears1: | 2014 |
| Nationalteam1: | Finland U17 |
| Nationalyears2: | 2017–2019 |
| Nationalteam2: | Finland U21[4] |
| Nationalcaps2: | 10 |
| Nationalgoals2: | 0 |
| Club-Update: | 27 November 2023 |
| Nationalteam-Update: | 14 November 2019 |
Joonas Sebastian Sundman (born 20 January 1998) is a Finnish professional footballer who plays for Ykkösliiga club PK-35,[5] [6] as a defender.
On 21 February 2022, Sundman signed a contract for the 2022 season with TPS.[7]