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The Ibāḍī (Arabic: Al-Ibādhiyyah الاباضية) is a denomination of Islam that is the dominant form in only one country, Oman. There are other Ibāḍī in Algeria and Libya. The Ibāḍī probably started one of the earliest schools, which was founded less than 50 years after the death of Muhammad.

The name comes from Abdullah ibn Ibadh at-Tamini. Some of the branch's followers, however, claim that its true founder was Jabir ibn Zaid al-'Azdi, who was from Nizwa, Oman.