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