Leo Väisänen

HJK

Väisänen made his Veikkausliiga debut for HJK on 14 April 2016 in a game against RoPS.

RoPS

In November 2016 he signed a two-year contract with RoPS. He made his debut on 12 April 2017, playing the full 90 minutes of a 6–2 defeat at Inter Turku.

Den Bosch

In August 2018, Väisanen was signed by Dutch side FC Den Bosch for an undisclosed fee. He made his debut for the club on 21 September 2018, in an Eerste Divisie match against Almere; he was substituted on in the 61st minute for Stefano Beltrame.

Elfsborg

On 12 January 2020 Väisänen joined Swedish club IF Elfsborg on a 3.5-year contract, for a transfer fee of €150,000.

Austin FC

On 4 January 2023, it was announced Väisänen had signed with Major League Soccer (MLS) side Austin FC on a four-year deal, with an option for a further year. The transfer fee was reported to be €1.8 million. He scored his first goal in MLS on 7 October 2023, in a 2–4 home defeat to LAFC.

BK Häcken

On 24 March 2025, Väisänen signed for BK Häcken until the summer of 2028. On 2 April, he suffered a knee injury in his first match with Häcken and was estimated to miss several months.

He made his Finland national football team debut on 11 June 2019 in a Euro 2020 qualifier against Liechtenstein, as an 86th-minute substitute for Jukka Raitala. Väisänen was called up in the UEFA Euro 2020 pre-tournament friendly match against Sweden on 29 May 2021. On 1 June 2021 Markku Kanerva published the national team for the UEFA Euro 2020 tournament and Väisänen was named as one of the defenders. On 12 June 2021 Väisänen came in as a 90th minute substitute for Jukka Raitala in a UEFA Euro 2020 match against Denmark.

Club

As of 24 April 2025

Notes

International

As of match played on 24 March 2025.

Notes

He is the younger brother of Sauli Väisänen. Their mother Anna-Liisa Tilus-Väisänen is a television presenter for Yle and Miss World 1984 semi-finalist.