皇家苏斯达（Real Sociedad de Fútbol）是一家位于西班牙巴斯克地区的圣塞巴斯提安（San Sebastián）的足球俱乐部，为西班牙足球甲级联赛的球队之一。成立于1909年9月17日，以阿诺耶塔体育场为主场，可容纳32,000人。

皇家苏斯达早于1928年在西甲联赛角逐，为西甲首批联赛球队之一，当届取得联赛第四名。球会史上最佳成绩乃于80年代两夺联赛冠军，近年皇家苏斯达加入多名优质外援，协助其于2002-2003赛季成为联赛亚军。但在2006-2007赛季仅仅名列西甲联赛第19位，惨遭降级。经过三个赛季的努力后，于2009-2010赛季获得西班牙足球乙级联赛冠军，再次升班至西甲。

Real Sociedad de Fútbol, S.A.D., more commonly referred to as Real Sociedad (pronounced: [reˈal soθjeˈðað]; Royal Society) or La Real, is a Spanish football club based in the city of San Sebastián, Basque Country, founded on 7 September 1909. Its home stadium is Anoeta, which seats 32,200 spectators. Real Sociedad won the La Liga title in 1980–81 and 1981–82, and last finished runners-up in 2002–03. La Real has also won the Copa del Rey twice, in 1909 and 1987. The club play the Basque derby against Athletic Bilbao. Real Sociedad were founder members of La Liga in 1928, and their longest spell in the top flight was for 40 seasons from 1967 to 2007.