Samiabad-e Arbab Din Mohammad (Persian: سميع ابادارباب دين محمد, also Romanized as Samī‘ābād-e Arbāb Dīn Moḩammad) is a city in Zam Rural District, Pain Jam District, Torbat-e Jam County, Razavi Khorasan Province, Iran. At the 2006 census, its population was 1,408, in 314 families.