Hajar Khatoon Mosque (in Kurdish: مزگت هاجه رخاتوون, in Persian: مسجد هاجرخاتون) is architecturally a unique and ancient Muslim mosque (now a tourist destination) in the city of Sanandaj in Kurdistan Province, Iran. Hajar Khatoon Mosque was built more than hundred years ago by who was a very prominent Sunni cleric or Sheikh in that region.