The 1992 New Territories West by-election was held on 30 August 1992 after the incumbent Legislative Councillor Ng Ming-yam of New Territories West died of blood cancer on 22 June 1992. It was the second by-election in the constituency since the 1991 general election. The two-time candidate, conservative rural leader Tang Siu-tong defeated Albert Ho Chun-yan, vice chairman of the liberal United Democrats of Hong Kong (UDHK), and independent Sui See-chun with 51 percent majority, receiving 33,038 votes.