Tommi Jäntti (born 7 March 2000) is a Finnish professional footballer who plays as a midfielder for Lahti.
[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.
[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.
[5][6] Jäntti has represented Finland at various youth international levels.