The New Territories West geographical constituency was one of the geographical constituencies in the Legislative Council of Hong Kong from 1998 to 2021. It was established in 1998 for the first SAR Legislative Council election and was abolished under the 2021 overhaul of the Hong Kong electoral system. Located in the western part of the New Territories, it was the largest geographical constituency in Hong Kong with 1,308,081 electorates in 2020. It consisted of Tsuen Wan District, Kwai Tsing District, Tuen Mun District, Yuen Long District and Islands District. In the 2016 Legislative Council election, it elected nine members of the Legislative Council using the Hare quota of party-list proportional representation.