Sir Hildebrand Aubrey Harmsworth, 1st Baronet was a British newspaper proprietor, twice unsuccessful parliamentary candidate, and member of the Harmsworth publishing family.

Alfred Harmsworth was a British barrister, and the father of several of the United Kingdom's leading newspaper proprietors, five of whom were honoured with hereditary titles – two viscounts, one baron and two baronets. Another son designed the iconic bulbous Perrier mineral water bottle.