Widnes is an industrial town within the borough of Halton, in Cheshire, England.

Widnes may also refer to:

• Marie Lovise Widnes (born 1930), Norwegian poet
• Municipal Borough of Widnes, former local government district in Lancashire, England
• Widnes (UK Parliament constituency), a county constituency in England
• Widnes railway station, a Grade II listed building in Cheshire
• Widnes Saints, a rugby league team
• Widnes Vikings, a professional rugby league club