St. John the Baptist is an oil painting on walnut wood by Leonardo da Vinci. The original size of the work was 69x57 cm. It is now exhibited at the Musée du Louvre in Paris, France. The piece depicts St. John the Baptist in isolation. St. John is dressed in pelts, has long curly hair, and is smiling in an enigmatic manner which is reminiscent of Leonardo's famous Mona Lisa. He holds a reed cross in his left hand while his right hand points up toward heaven.