Dame Edith Sophy Lyttelton GBE JP (née Balfour; 4 April 1865 – 2 September 1948) was a British novelist, playwright, World War I-era activist and spiritualist.

Edith was educated privately and moved in the aristocratic circle of friends known as "the Souls", which included A. J. Balfour, George Curzon, Margot Tennant (later Asquith), and Alfred Lyttelton, whom she married.

[3] After the death of her husband in 1913, she became interested in spiritualism and was a member, and president from 1933 to 1934, of the council of the Society for Psychical Research.

Spiritualism heavily influenced her works, The Faculty of Communion (1925), Our Superconscious Mind (1931), and Some Cases of Prediction (1937), as well as her biography of Florence Upton (1926).

[5] She and was named Dame Grand Cross of the Order of the British Empire (GBE) in the 1929 New Year Honours, for public services.