Deirdre Phyllis Ulrica Hart-Davis (later Balfour, Wolfers, Bland, and Inman; 5 July 1909 – 23 November 1998) was an English socialite, gallery owner and model, included in The Book of Beauty by Cecil Beaton.

[4] As a child, Deirdre and Rupert Hart-Davis were drawn by Augustus John and painted by William Nicholson (1912).

[2][5] Her coming-out dance in 1928 was held by her aunt, Lady Diana Cooper, at 34 Grosvenor Street, whose "café au lait ball-room made a very good setting for the many pretty girls who came".

Ronald Balfour died during World War II killed in a car accident.

[2] Her friends included Gerald Barry, Hugh Casson and Lawrence Gowing.

[2] From 1973 to 1987 she ran the Southover Gallery out of her own home in Lewes and she exhibited, among others, Duncan Grant, Quentin Bell, Julian Trevelyan, Mary Fedden, John Nash and Eric Rolfe.