Zheng Guanying or Cheng Kuan-ying (1842–1922 or '23) was a Chinese reformist active in the late Qing dynasty.

[3] His family members resided in Macau,[4] but his birthplace was Xiangshan, Guangdong;[1] today this is the Yongmo area of Sanxiang, Zhongshan.

[1] He first worked for Overweg and Company, a British firm,[5] and later for Butterfield & Swire.

[6] Words of Warning to a Prosperous Age (盛世危言 shèngshì wēiyán) was published in 1893.

[8] Escola Oficial Zheng Guanying, a government school in Macau, was given its current name in 2011.