William Henry Pyne (1769 in London – 29 May 1843 in London) was an English writer, illustrator and painter, who also wrote under the name of Ephraim Hardcastle. He trained at the drawing academy of Henry Pars in London. He first exhibited at the Royal Academy in 1790. He specialized in picturesque settings including groups of people rendered in pen, ink and watercolour. Pyne was one of the founders of the Royal Watercolour Society in 1804.
