Longchuan County (postal: Lungchun; , Hakka: Liùngchôn) is a county of northeastern Guangdong province, China, bordering Jiangxi to the north and on the upper reaches of the Dong and Han Rivers. It is under the administration of Heyuan City, and in 2020 had a population of 595,471 living in an area of . Bordering county-level divisions are Xingning and Wuhua County to the east, Heping County and Dongyuan County to the south and west, and in Jiangxi, Dingnan County and Xunwu County to the north.
Longchuan administers 24 towns:
Longchuan has a developed highway and railway network. Major roads include the China National Highway 205 (G205) and Guangdong Provincial Highway 120 (S120). The BeijingâÂÂKowloon, GuangzhouâÂÂMeizhouâÂÂShantou and ZhangpingâÂÂLongchuan Railways intersect in Longchuan, making it an important railway hub for the Lingnan region.