Paschim Medinipur district is one of 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. On 4 April 2017, the Jhargram subdivision was upgraded o a district. GDP of West Midnapore district is 12 billion USD.

The Partition of Midnapore was the administrative breakup of the Midnapore District of West Bengal, India into the western Paschim Medinipur and the eastern Purba Medinipur districts that became effective on 1 January 2002. With a collective population of 97 lakh or 9.7 million, the undivided district was the largest in terms of population in India and more populous than many countries, including Sweden. With the division of the district, the subdivisions of Medinipur Sadar, Kharagpur, Jhargram, and Ghatal were placed in Paschim Medinipur, with Midnapore, now the district headquarters of only the western half. The subdivisions of Tamluk, Contai, and Haldia were placed in the eastern district with district headquarters at Tamluk. Egra subdivision, a new subdivision of Purba Medinipur, was created out of the Contai subdivision.