Kegalle is a district in Sabaragamuwa Province, Sri Lanka. It is one of 25 districts of Sri Lanka, the second level administrative division of the country. The district is administered by a District Secretariat headed by a District Secretary (previously known as a Government Agent) appointed by the central government of Sri Lanka. It was a former Dissavani of Sri Lanka.
It covers an area of 1,693 km². The district has a population of 837,179 according to 2012 Census, which is approximately 4.0% of the total population of Sri Lanka.
The District of Kegalle is situated in between the central highlands and western southern plains and has an enchanting environment. The height of the western region is 50 m (160 ft) above sea level while the eastern region exceeds 1,800 m (5,900 ft). Rubber cultivation has stretched over most of the area of the District and minor export crops from the district include coffee, cocoa, pepper, clove and nutmeg. Sri Lanka's best graphite mine is situated at Bogala in Kegalle District. The extent of the District is 1,692.8 km2 (653.6 sq mi).