Jean-Étienne Liotard (22 December 1702 – 12 June 1789) was a Swiss-French painter, art connoisseur and dealer.
Liotard was born at Geneva. His father was a jeweller who fled to Switzerland after 1685. Jean-Étienne Liotard began his studies under Professors Gardelle and Petitot, whose enamels and miniatures he copied with considerable skill.
He went to Paris in 1725, studying under Jean-Baptiste Massé and François Lemoyne, on whose recommendation he was taken to Naples by the vicomte de Puysieux, Louis Philogène Brulart, Marquis de Puysieulx and Comte de Sillery. In 1735 he was in Rome, painting the portraits of Pope Clement XII and several cardinals. Three years later he accompanied Lord Duncannon to Constantinople.
Jean-Étienne Liotard visited Istanbul and painted numerous pastels of Turkish domestic scenes; he also continued to wear Turkish dress for much of the time when back in Europe. Using modern dress was considered unheroic and inelegant in history painting using Middle Eastern settings, with Europeans wearing local costume, as travellers were advised to do.
Many travellers had themselves painted in exotic Eastern dress on their return, including Lord Byron, as did many who had never left Europe, including Madame de Pompadour. Byron's poetry was highly influential in introducing Europe to the heady cocktail of Romanticism in exotic Oriental settings which was later to dominate 19th century Oriental art.