Lisan ad-Din ibn al-Khatib (Born 16 November 1313, Loja– died 1374, Fes, Morocco) (Full name Muhammad ibn Abd Allah ibn Said ibn Ali ibn Ahmad al-Salmani) was a Moroccan Arab polymath poet, writer, historian, philosopher, physician and politician from Emirate of Granada. Some of his poems decorate the walls of the Alhambra in Granada.