David Field Beatty, 2nd Earl Beatty, DSC (22 February 1905 – 10 June 1972), styled Viscount Borodale from 1919 to 1936, was a Royal Navy officer and British Conservative Party politician.
Beatty was born on 22 February 1905. He was the eldest son of Admiral of the Fleet David Beatty, 1st Earl Beatty and his wife Ethel. He had one brother, Peter Beatty. From his mother's first marriage to Arthur Tree (a son of Lambert Tree), he had an elder half-brother, Ronald Tree, who served as MP for Harborough and friend of Winston Churchill. Ronald was married to Nancy Keene Field (née Perkins) (widow of his first cousin Henry Field) and Marietta FitzGerald (née Peabody), a granddaughter of the Rev. Endicott Peabody.
His maternal grandfather was the American businessman Marshall Field. His father was the second son of five children born to Captain David Longfield Beatty and Katherine Edith Beatty (née Sadleir), both from Ireland: David Longfield had been an officer in the Fourth Hussars where he formed a relationship with Katrine, the wife of another officer.
Beatty was educated at the Royal Naval College, Osborne, on the Isle of Wight, and the Royal Naval College, Dartmouth. In 1919, he gained the courtesy title of Viscount Borodale when his father was created Earl Beatty.
See Commander The 2nd Earl Beatty, DSC, Royal Navy