Lee Ching-an, also known by her English name Diane Lee, is a Taiwanese former politician. She naturalized as a U.S. citizen in 1991, but later relinquished U.S. citizenship. Lee, a Kuomintang member, held elected public office in Taiwan from 1994 to 2009, first as a Taipei City Councilwoman and then for three terms as a legislator representing Daan District, Taipei City.