Islamic State – Yemen Province

Yemen Province
Yemen Province
ولاية اليمن
	The logo of the Islamic State's Yemen Province
Leaders	Abu Bilal al-Harbi †; (c. 2014 – March 2017) ; Abu Osama al-Muhajir (POW); (March 2017 – 3 June 2019); Unknown; (since 2019)
Dates of operation	13 November 2014 – present
Headquarters	Yemen
Active regions	Yemen
Ideology	Salafism Islamism Salafist Jihadism; Wahabism; Yemeni Caliphate; Anti-Shi'ism;
Size	300 (June 2015); 500 (2018); 250 (2023) ; 100 (2025)
Part of	Islamic State
Opponents	State opponents: Yemen; Saudi Arabia; Oman; Non-state opponents: Houthis; al-Qaeda in the Arabian Peninsula; Southern Movement;
Wars	the Yemeni Civil War

The Islamic State – Yemen Province (IS-YP; Arabic: الدولة الإسلامية – ولاية اليَمَن, romanized: ad-Dawlah al-Islāmiyah – Wilayat al-Yaman) is a branch of the militant Islamist group Islamic State (IS), active in Yemen. IS announced the group's formation on 13 November 2014.