Joan Christabel Jill Knight, Baroness Knight of Collingtree, (; 9 July 1923 – 6 April 2022) was a British politician. She was a member of the Conservative Party. She was a Member of Parliament from 1966 to 1997. She was later a member of the House of Lords from 1997 until 2016. She was appointed an MBE in 1964 and DBE in 1985. Knight was born in Bristol, England.