Longtan may refer to several places:
China Longtan Dam (龙滩大坝), dam in Guangxi Longtan District, Jilin City (龙潭区), Jilin Longtan Park (龙潭公园), Beijing
Subdistricts (龙潭街道) Longtan, Guiyang, a subdistrict of Guiyang County, Hunan Longtan Subdistrict, Beijing, in Dongcheng District Longtan Subdistrict, Nanjing, in Qixia District Longtan Subdistrict, Jilin City, in Longtan District, Jilin City Longtan Subdistrict, Chengdu, in Chenghua District
Towns (龙潭镇) Longtan, Youyang County, in Youyang Tujia and Miao Autonomous County, Chongqing Longtan, Fujian, in Yongding County Longtan, Henan, in Tanghe County Longtan, Xupu, in Xupu County, Hunan Longtan, Jiangxi, in Gao'an Longtan, Xiuyan County, in Xiuyan Manchu Autonomous County, Liaoning Longtan, Zigong, in Gongjing District, Zigong, Sichuan
Townships (龙潭乡) Longtan Township, Anhui, in Qianshan County, Anhui Longtan Township, Chongqing, in Shizhu Tujia Autonomous County Longtan, Zhuzhou Longtan Township, Hunan, in Zhuzhou County Longtan Township, Liaoning, in Beipiao Longtan Township, Guangyuan, in Lizhou District, Guangyuan, Sichuan Longtan Township, Qu County, in Qu County, Sichuan Longtan Township, Mojiang County, in Mojiang Hani Autonomous County, Yunnan Longtan Township, Yangbi County, in Yangbi Yi Autonomous County, Yunnan Longtan Township, Yuanjiang County, in Yuanjiang Hani, Yi and Dai Autonomous County, Yunnan Longtan Li and Dai Ethnic Township (龙潭彝族傣族乡), Simao District, Pu'er, Yunnan
Taiwan Longtan District, Taoyuan (龍潭區) Longtan Lake, a lake in Longtan District
Vietnam See Long Tân (disambiguation)
Other uses Long Tan (footballer) (born 1988), Chinese footballer Longtan Dam, a gravity dam on the Hongshui River in Tian'e County of the Guangxi Zhuang Autonomous Region, China
See also Longton (disambiguation)