Chua Chu Kang Single Member Constituency

Chua Chu Kang Single Member Constituency (Traditional Chinese: 蔡厝港單選區;Simplified Chinese: 蔡厝港单选区) is a defunct Single Member Constituency (SMC) located in the western region of Singapore. The constituency encompasses Choa Chu Kang New Town. It is one of the oldest surviving constituencies in Singapore, and has existed since 1959 to 2011.

Throughout its relatively long history, the ruling People's Action Party has won the constituency in every election, except the 1963 general election when it lost the seat to now defunct opposition party Barisan Sosialis. Chua Chu Kang SMC faced a four-cornered fight, including the ruling party itself in the 1997 general election and the PAP was challenged by Singapore Democratic Alliance's Steve Chia in the 2001 and 2006 general elections. In the 2011 general election, the SMC and Hong Kah Group Representation Constituency (GRC) were absorbed into Chua Chu Kang GRC. However, a new SMC, Hong Kah North SMC was crafted out of the new Chua Chu Kang GRC.