Espérance Sportive de Tunis (Arabic: الترجي الرياضي التونسي), known as ES Tunis or simply EST for short, is a Tunisian professional sports club founded on 15 January 1919 in the Bab Souika neighborhood of Tunis. Its football section has competed in the Tunisian Professional League 1 continuously since 1936. It is nicknamed \"Mkashkha\", The Elder of Tunisian Clubs, The Blood and Gold Club and The Beast of Africa

It is the most successful Tunisian club nationally and internationally in all competitions, with 34 Tunisian Professional League 1 titles (record), the last of which was the 2024–25 season, 16 Tunisian Cup titles (record), the last of which was the 2024–25 season, and 7 Tunisian Super Cup titles (record), the most recent of which is the 2023–24 edition, the Hedi Shaker Cup in 1968 and the Hamda El Aouani tournament in 1978. At the African level, Esperance won the CAF Champions League title four times in 1994, 2011, 2018, 2018–19, the CAF Cup in 1997, the CAF Super Cup in 1995 and the African Cup Winners' Cup in 1998. At the Arab level, Esperance is the most Arab club to have won the Arab Club Champions Cup title three times (a record) in the 1993, 2008–09, 2017 editions, and the Arab Super Cup in 1996. Globally, Esperance won the Afro-Asian Club Championship in 1995. It participated three times in the FIFA Club World Cup in 2011, 2018, and 2019, and was satisfied with fifth place as the best participation.

Espérance Sportive de Tunis ranked third in the list of the best African clubs of the twenty-first century compiled by FIFA behind Al Ahly SC and TP Mazembe. The Confederation of African Football also chose it as the fifth best African club in the twentieth century, and it topped the ranking of African clubs several times, most recently in 2018. Espérance Sportive de Tunis won the CAF Champions League in 2011 and received the FIFA Fair Play Award at the FIFA Club World Cup in 2019. There is a certain rivalry with Club Africain, which it plays against in the Tunis derby every season of the Tunisian Professional League 1 and sometimes the Tunisian Cup, and another competition in the Tunisian Clásico with Étoile Sportive du Sahel and CS Sfaxien. Former Esperance player Tarak Dhiab is considered a legend and icon of the club, as he is the most participating player with 427 matches and the all-time top scorer, scoring 127 goals. Tunisian businessman Hamdi Meddeb has been president of the club since 2007, and it has been coached by Romanian coach Laurențiu Reghecampf since November 2024. Espérance de Tunis will host its competitors on the field of the Hammadi Agrebi Stadium, located in the city of Radès, in the southern suburb of the city Tunis. After his name, several clubs in the region were named after Esperance, such as Espérance Sportive de Zarzis, Esperance Wadi Al-Nis of Palestine, Esperance Club of Saudi Arabia, Espérance Sportive Troyes of France and Esperance Mostaganem of Algeria.

Espérance de Tunis has a wide fan base in Tunisia, not only in the capital but throughout the country. After winning the CAF Champions League title twice in a row, the club's popularity has also appeared in Africa, and fans abroad frame some of its beloved cells such as France, Germany, Qatar and the United Arab Emirates. In the 2018 FIFA Club World Cup, more than 15,000 supporters were transported to the United Arab Emirates to support the team.