Abraham Constantin (1 December 1785 – 10 March 1851), a Swiss enamel painter, was born at Geneva. He became a pupil of Gérard, after whom he executed many works in enamel and on porcelain, among which may be mentioned, 'Belisarius,' 'Cupid and Psyche,' 'The Entry of Henry IV. into Paris,' and portraits of the King of Rome, Charles X, and the Emperor of Russia. He was attached to the manufactory at Sèvres, and died at Geneva.