Raja Club Athletic (Arabic: نادي الرجاء الرياضي, romanized: Nādī ar-Rajāʾ ar-Riyāḍī, Standard Moroccan Tamazight: ⴰⵙⵔⵉⵔ ⵏ ⵕⴰⵊⴰ ⴰⵎⴰⵏⵓⵏ), commonly referred to as Raja CA, Raja Casablanca, RCA or simply RAJA is a professional football club based in Casablanca, Morocco, that competes in Botola, the top flight of Moroccan football.

Founded on 20 March 1949 in the district of Derb Sultan, the club has traditionally worn a green home kit since inception. Raja CA is a well known club for the success of its football section, very popular in and outside the country. Raja sits at the Raja-Oasis Sports Complex for training and plays home games in the 67,000 capacity Stade Mohammed V in downtown Casablanca since 1955. Unlike most African sporting entities, Raja's members have owned and operated the club throughout its history.

The club is one of the most widely supported teams in Africa. Raja is one of two founding members of Botola that have never been relegated from the top division since its debut in 1956, along with Wydad AC. The club holds many long-standing rivalries, most notably in the Casablanca Derby with Wydad AC and the Classico with the capital side AS FAR.

Raja established itself as a major force in both Moroccan and African football during the 1990s, winning three CAF Champions League. This success was replicated in the league, which the club won seven times in ten years, including six in a row between 1995 and 2001. This team, which included some club icons such as Mustapha Moustawdaa, Mustapha Chadili, Salaheddine Bassir and Abdellatif Jrindou, is considered by some in the sport to be the greatest African team in the 90's. Club and Moroccan national team legend, Abdelmajid Dolmy holds the record for most appearances for the club.

In domestic football, the club has won 20 trophies; 12 Botola titles, 8 Moroccan Throne Cup. In international competitions, Raja have won 9 trophies; 3 CAF Champions League titles, two CAF Confederation Cup, two CAF Super Cup and 1 CAF Cup. In international football, it is the only African team, with TP Mazembe, to reach the final of the FIFA Club World Cup in 2013 when the green eagles faced Bayern Munich.

In 2000, Raja was ranked by CAF in the 3rd place of the best African clubs of the 20th century, after Al Ahly SC and Zamalek SC. Raja is also, with 18 official trophies, the most successful Moroccan club of the 21st century, and is the 4th most crowned club in Africa with 9 titles in official competitions.