Khanpur Assembly constituency is one of the 200 Legislative Assembly constituencies of Rajasthan state in India.
It is part of Jhalawar district.
The constituency was created by The Delimitation of Parliamentary and Assembly Constituencies Order, 1951. It had its first election in 1951. As of the latest delimitation in 2008, it consists of Khanpur tehsil and parts of Jhalrapatan tehsil (including Mandawar, Ratlai, Salawad, Bakani, Reechwa ILRCs and Gagron and Govindpura Patwari Circles of Jhalawar ILRC).