Kuan Chung (Chinese: 關中; pinyin: Guān Zhōng; born 9 June 1940), also known by his English name John Kuan, is a Taiwanese diplomat and politician who was president of the Examination Yuan of the Republic of China from 2008 to 2014.

in diplomacy, Kuan completed advanced studies in the United States, where he earned a Ph.D. from the Fletcher School at Tufts University.

Kuan is of Manchu descent, belonging to the Plain White Banner.

His surname Kuan is the sinicized form of his clan (hala) name Gūwalgiya (Manchu: ᡤᡡᠸᠠᠯᡤᡳᠶᠠ Chinese: 瓜爾佳氏).

Kuan has avoided meeting Lin ever since his daughter's death, refusing to attend any family events where his son-in-law would be present.