Paschim Medinipur district or West Midnapore district is the districts of the state of West Bengal, India. It was formed on 1 January 2002 after the Partition of Midnapore into Paschim Medinipur and Purba Medinipur. The district has 4 sub-divisions: Kharagpur, Medinipur Sadar, Ghatal and Jhargram. It is currently a part of the Red Corridor.

In 2006 the Ministry of Panchayati Raj named Paschim Medinipur one of the country’s 250 most backward districts (out of a total of 640).It is one of the eleven districts in West Bengal currently receiving funds from the Backward Regions Grant Fund Programme (BRGF).

According to the 2011 census Paschim Medinipur district has a population of 5,943,300, roughly equal to the nation of Eritrea or the US state of Missouri.This gives it a ranking of 14th in India (out of a total of 640).The district has a population density of 636 inhabitants per square kilometre (1,650/sq mi).Its population growth rate over the decade 2001-2011 was 14.44%.Paschim Medinipur has a sex ratio of 960 females for every 1000 males, and a literacy rate of 79.04%.