Hereward de Havilland (born c.1894 in Nuneaton, Warwickshire, died 12 September 1976 in Australia) was a British aviator and member of the de Havilland company. He was a younger brother of Geoffrey de Havilland. De Havilland flew in various air campaigns in Europe and the Middle East in World War I and reached the rank of Major. On 10 March 1917 was awarded a Distinguished Service Order for distinguished service in the field in Mesopotamia. In March 1927 he established de Havilland Australia, the first overseas subsidiary of the de Havilland company.