Janet Mary Young, Baroness Young, PC, DL (née Baker, 23 October 1926 – 6 September 2002) was a British Conservative Party politician. She served as the first ever female Leader of the House of Lords from 1981 to 1983, first as Chancellor of the Duchy of Lancaster and from 1982 as Lord Keeper of the Privy Seal. She was the only woman ever appointed to the Cabinet by Margaret Thatcher.