The Central District of Langarud County () is in the northwestern Iranian province of Gilan. Its capital is the city of Langarud.
In 2009, the village of Chaf-e Pain merged with several villages merged to form the new city of Chaf and Chamkhaleh.
At the time of the 2006 census, the district's population was 90,729 in 26,475 households. The following census in 2011 counted 99,021 people in 32,061 households. The 2016 census measured the population of the district as 103,282 inhabitants in 35,917 households.