Zhengdong may refer to:
Zhengdong New Area, Zhengzhou, Henan, China Zhengdong, Yunnan, in Jiangcheng Hani and Yi Autonomous County, Yunnan, China Zhengdong Province (1270–1356) in Korea when Goryeo was under the Mongol Yuan empire in China
See also Jana Ueekata (1549–1611) or Tei Dō (Chinese: Zheng Dong), Ryukyuan aristocrat and bureaucrat