Imphal West is one of the nine districts of Manipur state in northeastern India. As of 2011 it is the most populous district in the state.

Lamphelpat city is the administrative headquarters of the district. The district occupies an area of 558 km2.

The district ranks first on the basis of “District Infrastructure Index ” calculated under the patronage of Ministry of North East Region(DoNER).

According to the 2011 census Imphal West district has a population of 514,683, roughly equal to the nation of Cape Verde. This gives it a ranking of 545th in India (out of a total of 640). The district has a population density of 992 inhabitants per square kilometre (2,570/sq mi) . Its population growth rate over the decade 2001-2011 was 15.82%. Imphal West has a sex ratio of 1029 females for every 1000 males, and a literacy rate of 86.7%.