The club was founded in 1941 after the merge of two former teams, Stade Saint Michel and L'Athletique Club Spinalien and have never played in a higher division than Ligue 2.
In 2022–23, SAS Épinal secure promotion to Championnat National from 2023–24 and champions of Championnat National 2 Group B in 2022–23, the club return to third tier after seven years absence.
Note: Flags indicate national team as defined under FIFA eligibility rules; some limited exceptions apply. Players may hold more than one non-FIFA nationality.