Newport West (Welsh: Gorllewin Casnewydd) is one of two parliamentary constituencies for the city of Newport, South Wales, in the House of Commons of the Parliament of the United Kingdom. It elects one Member of Parliament (MP) using the first-past-the-post voting system. Paul Flynn, of the Labour Party, was the MP from the 1987 general election until his death on 17 February 2019. Consequently, a by-election was held in the constituency on Thursday 4 April 2019. It is currently represented by Ruth Jones.