The Syriac Catholic Archeparchy of Al Hasakah-Nisibi(s) or of Al Hasakeh-Nisibi(s) (in French Hassaké–Nisibi) (informally Al-Hasakah–Nisibi(s) of the Syriacs) is a non-metropolitan archeparchy (Eastern Catholic archdiocese) of the Syriac Catholic Church (sui iuris, Syro-Oriental Rite in Syriac language) in Syria.
It is directly dependent on the Syriac Catholic Patriarch of Antioch and the Roman Congregation for the Oriental Churches), not part of any ecclesiastical province.
The cathedral of the Assumption of Mary in Al-Hasakah is its archiepiscopal see.
Established on 17 July 1957 as Eparchy of Al-Hasakah (Diocese), on Syriac territory previously without proper Ordinary for the particular church sui iuris.
Promoted on 3 December 1964 as Archdiocese of Al-Hasakah–Nisibi(s) (Archdiocese), adopting as honorary second title Nisibi(s), a grand old, suppressed Metropolitan see which has titular archbishopric successor sees in four other Catholic rites but never was a Syriac Catholic diocese.