Kang Shih-ju (; born 16 January 1964) is a Taiwanese politician.
Kang chose to run as an independent in the January 2008 legislative elections, after losing the Kuomintang nomination to Lee Yi-ting. After Lee was charged with electoral fraud, Kang defeated Lee's wife in a by-election held on 14 March 2009. He took office on 1 April, and joined the Non-Partisan Solidarity Union's legislative caucus. He ran for reelection in 2016, as a member of the Minkuotang, and lost.