John Michael Jack, CBE (born 17 September 1946) is a Conservative Party politician in the United Kingdom and was Member of Parliament for Fylde between 1987 and 2010, serving at various junior ministerial posts during the John Major administration.

From 1975 to 1980 he worked at Marks & Spencer, being PA to Managing Director Lord Rayner from 1975 to 1976, National Chairman of the Young Conservatives from 1976 to 1977, Sales Director at LO Jeffs Ltd (a fresh produce supply company and part of Northern Foods) from 1981 to 1987.

He has also been a member of the Eastern Area Electricity Consultative Council, and of the Mersey Regional Health Authority.

On 14 March 2008, Jack announced that he would stand down at the 2010 general election.

[2] After he left Parliament he served as chairman of the Office of Tax Simplification and he was appointed Commander of the Order of the British Empire (CBE) in the 2015 New Year Honours for services to tax policy.