Lady Tweedsmuir

Lady Tweedsmuir may refer to:


 * Priscilla Buchan, Baroness Tweedsmuir of Belhelvie - (1915 – 1978) - British Unionist and Conservative politician
 * Susan Buchan, Baroness Tweedsmuir - (1882 – 1977) - British writer and the wife of author John Buchan