William John Biffen, Baron Biffen,, was a British Conservative Party politician. He was a Member of Parliament from 1961 to 1997, and served in Margaret Thatcher's cabinet; he then served in the House of Lords.

Oswestry was a United Kingdom Parliamentary constituency. It was a constituency of the House of Commons of the Parliament of the United Kingdom from 1885 to 1983, when it was renamed North Shropshire. It elected one Member of Parliament (MP) by the first past the post method of election.