West London Synagogue
 The West London Synagogue of British Jews (commonly abbreviated as WLS) is a Reform Jewish synagogue and congregation near Marble Arch in London. It was established on 15 April 1840. Its current building in Upper Berkeley Street dates from 1870 making it the oldest standing Reform synagogue and one of the oldest synagogues in the United Kingdom. In September 2013 it was announced that WLS will become the first British synagogue to perform same-sex marriages effective January 2014.