Mohammadabad-e Lab-e Rud (, also Romanized as MoḩammadÃÂbÃÂd-e Lab-e Rà «d; also known as MoḩammadÃÂbÃÂd) is a village in Zibad Rural District, Kakhk District, Gonabad County, Razavi Khorasan Province, Iran. At the 2006 census, its population was 51, in 17 families.