Arzancheh-ye Sofla (Persian: ارزنچه سفلي, also Romanized as Arzancheh-ye Soflá; also known as Arzancheh-ye Pā’īn and Arzanjeh-ye Pā’īn) is a village in Pain Velayat Rural District, in the Central District of Taybad County, Razavi Khorasan Province, Iran. At the 2006 census, its population was 1,162, in 258 families.