Margaret Russell, Baroness Ampthill, GCVO, CI, GBE (8 October 1874 – 12 December 1957) was the daughter of the 6th Earl Beauchamp.
Born as Margaret Lygon, she married the 2nd Baron Ampthill, in Madresfield, Worcestershire on 6 October 1894 (2 days before her 20th birthday).
She was a Lady of the Bedchamber to Queen Mary, and in 1918 was made a Dame Grand Cross of the Order of the British Empire and a Dame Grand Cross of the Royal Victorian Order in 1946.