斯法克斯

The club was founded in 1928 as Club Tunisien, playing in green and red stripes. The team was promoted to the Tunisian First Division in 1947. In 1950, the first supporters group was founded by Béchir Fendri, and in 1962 the club was renamed "Club Sportif Sfaxien" and team colours were changed to the current black and white stripes.

CSS celebrated their half-centenary in 1978 by winning the Tunisian League title. In November 1998, CSS captured the CAF Cup for the first time, beating Senegal's ASC Jeanne d'Arc in the final.

In more recent times, CSS reached the final of the CAF Champions League 2006 but were beaten with a late second leg goal condemning them to a 2–1 aggregate defeat against Al Ahly of Egypt.

In September 2014, CSS reached the semi-finals of the CAF Champions League 2014 but they were beaten with a 2–1 score in both away and home matches against AS Vita Club.

In May 2015, CSS got disqualified from The CAF Champions League 2015 after a loss with 1–0 in their away match against Mouloudia Chabab El Eulma(Algeria) and then CSS won their match in Sfax with 1–0 at the Stade Taïeb Mhiri but they got disqualified since they lost by penalties (7–6).

CSS won the 2007 CAF Confederation Cup. A 4–2 first-leg victory in Sudan against Al Merreikh preceded a 1–0 second leg win, with CSS lifting the trophy in front of their own fans at the Stade Taïeb Mhiri. In November 2008, CSS faced local rivals Etoile du Sahel (ESS) in the final of the CAF Confederation Cup. CSS became the most successful club in recent history of the tournament when a 0–0 draw in Sfax was followed by a 2–2 draw in Sousse, sending the cup back to Sfax for the second year in a row.

2009 saw the club win the Tunisian Cup.

In 2013, CSS won CAF Confederation Cup for the 3rd time in their history facing TP Mazembe in the final with 2–0 in Rades then a 2–1 defeat in Lubumbashi with a late goal from Fakhreddine Ben Youssef.

Club Sfaxien participated in the 2017 CAF Confederation Cup.

In the 2018–19 the club won the Tunisian Cup again. The club won the Tunisian FA Cup for a sixth time on 28 June 2021.