Wong Chia Zhen (simplified Chinese: 黄佳祯; traditional Chinese: 黃佳禎; pinyin: Huáng Jiāzhēn) is a Malaysian politician who has served as Member of the Kedah State Executive Council (EXCO) in the Perikatan Nasional (PN) state administration under Menteri Besar Muhammad Sanusi Md Nor and Member of the Kedah State Legislative Assembly (MLA) for Kulim since August 2023.

In the 2022 general election, Wong made his electoral debut after being nominated by PN to contest for the Batu Kawan federal seat.

He was not elected to Parliament as the Batu Kawan MP after losing to Chief Minister of Penang Chow Kon Yeow of Pakatan Harapan (PH) by a majority of 40,400 votes.

Wong was appointed as the Kedah EXCO Member in charge of Human Resources, Chinese, Indian and Siamese Affairs and Non-governmental Organisations (NGOs) by Menteri Besar Muhammad Sanusi on 21 August 2023.

Wong won the seat and was elected to the Kedah State Legislative Assembly as the Kulim MLA after defeating Teh Lean Ong of PH by a majority of 7,742 votes.