Harold William Hailstone (14 July 1897 – 21 November 1982) was a British cartoonist and illustrator, who served as an official war artist.

[1] During World War I he served first in the army and then as a trainee pilot in the Royal Flying Corps.

[1] He subsequently attended Goldsmiths College alongside Graham Sutherland.

[1] His work was published in journals including the Illustrated London News, Punch, The Sketch, Strand Magazine, and Tatler.

[1] In retirement he lived at Corneys Cottage, Hadlow, Kent, where he died on 21 November 1982.