Tuomas Kaukua (born 13 October 2000) is a Finnish professional footballer who plays as a winger for Veikkausliiga club AC Oulu.

Kaukua played in the youth sectors of Rovaniemen Palloseura, FC Lynx and FC Santa Claus.

[1] He started his professional career in his hometown club RoPS in Veikkausliiga in 2019.

[2][3] After RoPS got relegated and faced some serious financial difficulties in the end of 2021,[4] Kaukua signed a contract with SJK Seinäjoki, on a one-year deal with an option to extend it.

[6][7][8] On 5 November 2024, Kaukua signed with Veikkausliiga club AC Oulu on a two-year deal with a one-year option.