Harry Hargreaves (9 February 1922, in Manchester – 12 November 2004, in Yeovil, Somerset) was an English cartoonist, best remembered for The Bird, which he produced for Punch, and for Hayseeds in the London Evening News.

1939 found him working for the Manchester art agency Kayebon Press as assistant to Hugh McNeill on strips like Pansy Potter for The Dandy and The Beano.

During World War II he joined the Royal Air Force Volunteer Reserve Signals, began contributing to Blighty, and was posted to India, Ceylon, and Persia.

In 1953 he moved to Amsterdam to work at the studio of Dutch cartoonist Marten Toonder, being involved with the production of Panda, which at that time was syndicated to a hundred and fifty European papers, including the London Evening News.

In 1969 Hargreaves designed the Deep Sea Band cereal premiums for Australian plastics company Rosenhain & Lipmann.