Lalitpur District (, in Bagmati Province, is one of the seventy-seven districts of Nepal. The district, with Lalitpur as its district headquarters, covers an area of and has a population (2001) of 337,785. It is one of three districts in the Kathmandu Valley, along with Kathmandu and Bhaktapur. Its population was 466,784 in the initial 2011 census tabulation. It is surrounded by Makwanpur, Bhaktapur, Kathmandu and Kavrepalanchowk districts.
At the time of the 2021 Nepal census, Lalitpur District had a population of 551,667. 5.51% of the population is under 5 years of age. It has a literacy rate of 88.08% and a sex ratio of 991 females per 1000 males. 514,847 (93.33%) lived in municipalities.
Ethnicity wise: Khas are the largest group, making up 37% of the population. Newars, the indigenous people of the Kathmandu Valley, make up nearly 30% of the population. Hill Janjatis, mainly Tamang and Magar, make up 26% of the population.
At the time of the 2021 census, 45.61% of the population spoke Nepali, 26.96% Nepal Bhasha, 12.16% Tamang, 2.90% Maithili, 2.68% Magar, 1.65% Rai, 1.17% Tharu, 1.11% Bhojpuri and 0.96% Limbu as their first language. In 2011, 47.3% of the population spoke Nepali as their first language.
There are six municipalities in Lalitpur District, including three Rural Municipalities and one Metropolitan city:
Prior to federal restructuring, the following Village development committees were also part of the district. By 2017, they were all merged into municipalities or rural municipalities or were included in Lalitpur Metropolitan City.
Lalitpur District has adequate education facilities in comparison to other districts, including:
Lalitpur is also home to several notable sporting organisations and grounds such as:
There are many business or social organizations in Siddhipur.