Kushinagar District is a district of Uttar Pradesh state in northern India. Padarauna is the district headquarters. The district is named for Kushinagar, a Buddhist pilgrimage site where Gautama Buddha attained parinirvana in the 6th or 5th centuries BCE.

In 2006 the Ministry of Panchayati Raj named Kushinagar one of the country’s 250 most backward districts (out of a total of 640).It is one of the 34 districts in Uttar Pradesh currently receiving funds from the Backward Regions Grant Fund Programme (BRGF).

The Indian government has approved a project for the construction of an international airport.

According to the 2011 census Kushinagar district has a population of 3,560,830, roughly equal to the nation of Lithuania or the US state of Connecticut.This gives it a ranking of 81st in India (out of a total of 640).The district has a population density of 1,226 inhabitants per square kilometre (3,180/sq mi).Its population growth rate over the decade 2001-2011 was 23.08%.Kushinagar has a sex ratio of 955 females for every 1000 males, and a literacy rate of 67.66%.