John George Sowerby (1849–1914) was an English painter and illustrator from Gateshead, and director of Ellison Glass Works, the Sowerby family business, which during the 1880s was the largest producer of pressed glass in the world. The grandson of naturalist James Sowerby, his paintings were exhibited in the Royal Academy of Arts, and his children's book illustrations were generally well received. Sowerby died on 14 December 1914 in Herefordshire, to where he had retired.