Donghai

Donghai (East Sea) may refer to:

China

 * East China Sea, also known as Donghai from its Chinese name (东海), a marginal sea east of China
 * East Sea (Chinese literature), one of the Four Seas, a literary name for the boundaries of China
 * Donghai County (东海县), of Lianyungang, Jiangsu
 * Donghai Island (东海岛), island in Zhanjiang, Guangdong
 * Donghai Subdistrict
 * Donghai Subdistrict, Quanzhou, in Fengze District, Quanzhou, Fujian
 * Donghai Subdistrict, Lufeng, Shanwei, Guangdong
 * Donghai Subdistrict, Jixi, in Chengzihe District, Jixi, Heilongjiang
 * Donghai Subdistrict, Tianjin, in Hexi District, Tianjin
 * Towns named Donghai (东海镇)
 * Donghai, Putian County, Fujian
 * Donghai, Jidong County, Heilongjiang
 * Donghai, Qidong, Jiangsu
 * Donghai Commandery, historical commandery in present-day Shandong and Jiangsu

Vietnam

 * Đông Hải District, in Bac Lieu Province, Vietnam