William Stephen Goulden "Willy" Bach, Baron Bach is a British Labour member of the House of Lords. He was a Parliamentary Under-Secretary of State in the Ministry of Justice from 2008 to 2010. He resigned from the opposition front bench when he was elected the Leicestershire Police and Crime Commissioner on 6 May 2016. He did not stand again at the 2021 PCC election and was succeeded by the Conservative Rupert Matthews.

Gainsborough is a constituency in Lincolnshire represented in the House of Commons of the UK Parliament since 1983 by Sir Edward Leigh, a Conservative.