J. B. Jannot (fl. c. 1940 - 1970), also known by his nom de plume Jan-Loup, was a French cartoonist and illustrator active in Paris in the middle part of the 20th century. He issued well known comics for the graphic magazine Lisette including Le Trésor de la Crique aux Oursins, Les Naufragés de L'Ile aux Crabes, Mireille de Camargue, and La jeunesse d'Arago, as well as prepared a graphic novel adaption of James Fennimore Coopers La Prairie. He also illustrated children's books for the Collection Jean-Francois and Editions Fleurus. Working under his own name he issued at least two map poster games for Chocolat Menier.