San Fermin is an American indie rock collective, led by Brooklyn-based composer and songwriter Ellis Ludwig-Leone. Known for combining indie rock, pop, and classical influences into lush compositions, they released their debut album San Fermin on Downtown Records in 2013. This was followed by the records Jackrabbit and Belong in 2015 and 2017, respectively. Their fourth album, a double album titled The Cormorant I & II, was released in full in March 2020. Their fifth studio album, Arms, was released in February 2024 and features a stripped-back sound and more personal lyrics.