| Tommi Jäntti | |
| Birth Date: | 7 March 2000 |
| Birth Place: | Helsinki, Finland |
| Height: | 1.79m |
| Position: | Midfielder |
| Currentclub: | Lahti |
| Clubnumber: | 17 |
| Youthyears1: | 2008–2017 |
| Youthclubs1: | HJK |
| Years1: | 2017–2018 |
| Clubs1: | Klubi 04 |
| Caps1: | 48 |
| Goals1: | 10 |
| Years2: | 2018 |
| Clubs2: | HJK |
| Caps2: | 0 |
| Goals2: | 0 |
| Years3: | 2019–2020 |
| Clubs3: | RoPS II |
| Caps3: | 6 |
| Goals3: | 0 |
| Years4: | 2019–2020 |
| Clubs4: | RoPS |
| Caps4: | 26 |
| Goals4: | 1 |
| Years7: | 2021 |
| Clubs7: | Klubi 04 |
| Caps7: | 23 |
| Goals7: | 2 |
| Years8: | 2022 |
| Clubs8: | Gnistan |
| Caps8: | 14 |
| Goals8: | 2 |
| Years9: | 2023– |
| Clubs9: | Lahti |
| Caps9: | 42 |
| Goals9: | 2 |
| Nationalyears1: | 2015 |
| Nationalteam1: | Finland U15 |
| Nationalcaps1: | 2 |
| Nationalgoals1: | 0 |
| Nationalyears2: | 2016 |
| Nationalteam2: | Finland U16 |
| Nationalcaps2: | 3 |
| Nationalgoals2: | 0 |
| Nationalyears3: | 2016–2017 |
| Nationalteam3: | Finland U17 |
| Nationalcaps3: | 11 |
| Nationalgoals3: | 2 |
| Nationalyears4: | 2017–2018 |
| Nationalteam4: | Finland U18 |
| Nationalcaps4: | 4 |
| Nationalgoals4: | 0 |
| Nationalyears5: | 2018 |
| Nationalteam5: | Finland U19 |
| Nationalcaps5: | 3 |
| Nationalgoals5: | 0 |
| Club-Update: | 27 October 2024 |
| Nationalteam-Update: | 22 January 2024 |
Tommi Jäntti (born 7 March 2000) is a Finnish professional footballer who plays as a midfielder for Lahti.[1]
Jäntti played in a youth sector and the youth academy of HJK Helsinki.[2] He also represented HJK youth in the 2018–19 UEFA Youth League, scoring one goal in two matches against Altınordu youth.[3]
He played for HJK's reserve team Klubi 04 in third-tier Kakkonen and second-tier Ykkönen, but without making a single appearance for the first team, he left the club in the end of 2018, and joined Rovaniemen Palloseura (RoPS) in Veikkausliiga. Jäntti debuted in the league in 2019, and represented RoPS in 2019–20 UEFA Europa League qualifiers, scoring a goal against Aberdeen.[2]
For the 2021 season, he returned to Klubi 04, playing in Ykkönen.[2]
On 13 January 2022, Jäntti signed with fellow Ykkönen club IF Gnistan.[3]
On 10 January 2023, he moved to Lahti and joined FC Lahti in Veikkausliiga on a one-year deal,[4] reuniting with his former coach Mikko Mannila. After the season, Lahti exercised their option and Jäntti's contract was extended for the 2024 season.[5] [6]
Jäntti has represented Finland at various youth international levels.