Joni Ensio Kauko (born 12 July 1990) is a Finnish professional footballer who plays as a central midfielder for I-League club Inter Kashi.

A product of local Inter Turku's youth system, Kauko signed his professional contract on 27 November 2007 at the age of 17.

[6][7][8] He was included in the twenty-two men squad by head coach Antonio Lopez Habas for the team's 2021 AFC Cup inter-zonal semifinal match against Uzbek side Nasaf,[9] but they lost 6–0 and were eliminated from the tournament, in which he made his debut for the club.

[14][15] He ended the league season with three goals in twenty appearances, as Mohun Bagan finished third in the standings and were eliminated in the semi-final playoffs.

[16] Kauko scored a brace each against Blue Star, on 12 April, and against Maziya S&RC on 24 May in AFC Cup Preliminary round and Group stage respectively.

[17] As 2022–23 season began, he appeared with the club on 20 August against Rajasthan United at the 131st edition of Durand Cup, but lost the match by 3–2.

[19] After being out for nearly 16 months due to injury,[20] Kauko rejoined Mohun Bagan, replacing Hugo Boumous in the squad for the second half of the 2023–24 season.