Mandalgovi (Mongolian: Мандалговь; ᠮᠠᠨᠳᠠᠯᠭᠣᠪᠢ; also Mandalgov' or Mandalgobi) is the capital of the Dundgovi Province of Mongolia, about 300 km south of Ulaanbaatar on the border of the Gobi Desert.

The city administrative unit's official name is Saintsagaan sum.

Mandalgovi was originally a village when it consisted only of 40 yurts.

Mandalgovi has a cold arid climate (Köppen BWk) with warm summers and frigid winters.

The city is connected to Ulaanbaatar by a 300 km paved road completed in October 2013.