John Hayes (1786?–1866) was a British portrait-painter.
He continued to show there to 1851; his contributions were chiefly portraits, though he occasionally sent a subject picture.
Hayes had a good practice as a portrait-painter.
His portrait of Agnes Strickland was engraved by Frederick Christian Lewis, as frontispiece to her Lives of the Queens of England (1851).
[1] This article incorporates text from a publication now in the public domain: Stephen, Leslie; Lee, Sidney, eds.