Freddy Lim Tshiong-tso (Chinese: 林昶佐; pinyin: Lín Chǎngzuǒ; Tâi-lô: Lîm Tshióng-tsò; born 1 February 1976) is a Taiwanese politician, musician, and independence activist. He is the lead vocalist of the Taiwanese heavy-metal band Chthonic. and the lead vocalist of the band Metal Clone X started by him and American guitarist Marty Friedman. Lim served as chair of Amnesty International Taiwan from 2010 to 2014. He was one of the founding leaders of the New Power Party (NPP) in Taiwan and represented the party in the Legislative Yuan until 2019. Lim won a second legislative term as an independent in 2020.