Longdong may refer to:
Longdong Stream Salamander, species native to Sichuan The following entries are written as "" unless otherwise noted: Longdong, Hunan, town in Xiangxiang Longdong Township, Chongqing, in Yunyang County Longdong Township, Sichuan, in Cangxi County Longdong Subdistrict, Guangzhou, in Tianhe District Longdong Subdistrict, Tangshan (龙东街道), in Lubei District, Tangshan, Hebei Longdong Subdistrict, Jiaozuo, in Zhongzhan District, Jiaozuo, Henan Longdong Subdistrict, Jinan, in Lixia District, Jinan, Shandong