The 1943 Woolwich West by-election was held on 10 November 1943. The by-election was held due to the death of the incumbent Conservative MP, Kingsley Wood.
The Conservative Party stood Francis Beech, a member of London County Council. The Independent Labour Party put forward Tom Colyer as a candidate. He was a former Labour Party Parliamentary candidate, who was working as a researcher and author. There was also an independent candidate. Beech won the election with a majority of the votes cast.