Jahanabad (Persian: جهان اباد‎‎, also Romanized as Jahānābād; also known as Kalāteh-ye ‘Os̄mān Solţān) is a village in Jamrud Rural District, in the Central District of Torbat-e Jam County, Razavi Khorasan Province, Iran. At the 2006 census, its population was 126, in 32 families.