Longdong

Longdong may refer to:

The following entries are written as "龙洞" unless otherwise noted:
 * Longdong Stream Salamander, species native to Sichuan
 * 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