Kalateh-ye Mohammad Soltan (, also Romanized as Kalāteh-ye Moḩammad Solţān and Kalāteh Moḩammad Solţān; also known as Kalāt-e Moḩammad Solţān, Kalāte Moḩammad Solţan, and Moḩammad Solţān) is a village in Kahshang Rural District, in the Central District of Birjand County, South Khorasan Province, Iran. At the 2016 census, its population was 86, in 25 families.
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