Castres Olympique (French pronunciation: ​[kastʁ olimpik]) is a French rugby union club located in the Occitanian city of Castres and currently competing in the top level of the French league system. Founded in 1898, the club took its current name in 1906. They play at the Stade Pierre-Antoine, which is one of the smallest in Top 14 with a capacity of 11,500. The team wear blue and white kits. The team won four French top-division championships in 1949, 1950, 1993 and 2013, as well as one Coupe de France in 1948.