Union Sportive Tournaisienne was founded in 1902 and became a member of the Belgian Football Association one year later.

Tournai began with a nice 6th place in 2003 but could not avoid relegation the next year when it finished 15th (on 16).

In 2022–23, RFC Tournai secure promotion to Belgian Division 2 from next season after winning play-off against RSC Habay La Neuve with score narrowly 0–1 at away games and return to fourth tier after 12 years absence.

Following season, RFC Tournai secure back to back promotion to Belgian National Division 1 from next season after finishing fourth place due to expansion team in third tier.

[1] Note: Flags indicate national team as defined under FIFA eligibility rules; some limited exceptions apply.