Sar Asiab-e Pain, Razavi Khorasan

Sar Asiab-e Pain (, also Romanized as Sar Āsīāb-e Pā’īn) is a village in Tus Rural District, in the Central District of Mashhad County, Razavi Khorasan Province, Iran. At the 2006 census, its population was 38, in 12 families.