Datuk Tiong Thai King (simplified Chinese: ???; traditional Chinese: ???; pinyin: Zhang TÃ iqing; born 4 July 1945) was the Member of the Parliament of Malaysia for the Lanang constituency in Sarawak from 1995 to 2013, representing the Sarawak United Peoples' Party (SUPP) in the previous governing Barisan Nasional coalition.He is the younger brother of Tan Sri Datuk Tiong Hiew King, founding chairman of the Rimbunan Hijau Group, an established multinational timber and logging corporation.
Tiong was elected to Parliament in the 1995 general election.
In 2004 he was appointed Chairman of the Sibu Municipal Council.
He is also a former Senator.
In the 2011 Sarawak election, he was nominated as the candidate for the Dudong constituency, but was defeated by Yap Hoi Liong of the Democratic Action Party (DAP) by 317 votes.
He failed to defend his federal parliamentary seat at the 2013 general election, losing to Alice Lau Kiong Yieng of the DAP by 8,630 votes.However, in the 2016 State election, he contested in the Dudong constituency in Sarawak for the second time as Direct BN candidate, and he won the seat this time, with the majority of 2,146 votes, beating the incumbent Yap Hoi Liong of DAP, Mary Ting Yiik Hong of State Reform Party (STAR), and 2 independent candidates, Casper Kayong Umping and Dato Sri Dr.