Halton is a borough in North West England, administered as a unitary authority. It was created in 1974 as a district of Cheshire, and became a unitary authority on 1 April 1998.

Halton is a federal and provincial electoral district in Ontario, Canada, represented in the Canadian House of Commons from 1867 to 1988 and since 1997, and in the Legislative Assembly of Ontario from 1867 to 1902 and since 1999. Its population in 2001 was 100,055.

Halton is a county constituency in Cheshire, represented in the House of Commons of the Parliament of the United Kingdom. It elects one Member of Parliament (MP) by the first past the post system of election.