Lin Cheng-yi
Lin Cheng-yi or Lin Zhengyi may refer to:
 Lin Cheng-yi (footballer) (born 1987), Taiwanese footballer
 Lin Cheng-yi (legislator) (born 1942), Taiwanese politician, member of the Legislative Yuan from 2002 to 2005
 Lin Cheng-yi (minister), Taiwanese politician, acting minister of the Mainland Affairs Council in 2018
 Justin Yifu Lin (born 1952 as Lin Zhengyi), Taiwanese-born Chinese economist

See also
Lin Chen-yi (born 1945), Taiwanese admiral, Chief of the General Staff from 2009 to 2013
Lin Ching-yi (born 1974), Taiwanese politician, member of the Legislative Yuan from 2016 to 2020