Nimvar (Persian: نيم‌ور)[a] is a city in the Central District of Mahallat County, Markazi province, Iran.

[4] In ancient times Nimvar was an important location for Zoroastrianism.

It is one of the ancient cities related to the Sassanid and Ashkanian eras in Iran.

Among historical customs that are still alive, and with a history of two thousand years, are the dredging ceremony of Qomrud River and the BilGardani ceremony signifying the harnessing of nature by human beings.

[7] The 2016 census measured the population of Nimvar as 7,507 people in 2,427 households,[2] by which time the village of Baqerabad had merged with the city.