Tunghai, Tung Hai, Tung-Hai may refer to:
Tunghai University East China Sea, from its Mandarin pinyin romanization of its Chinese name (东海) East Sea (Chinese literature), from its Mandarin pinyin romanization of its Chinese name (東海), and one of the Four Seas
See also Donghai (disambiguation) East Sea (disambiguation) 東海 (disambiguation), the East Asian script for "East Sea"