Jules is the French form of the Latin "Julius" (e.g. Jules César, the French name for Julius Caesar). It may refer to:

  • Didacus Jules, a St. Lucian educator
  • Gary Jules (b. 1969), an American singer-songwriter
  • Jules Breton (1827–1906), French Realist painter
  • Jules Brunet, a French General
  • Jules Feiffer, an American cartoonist
  • Jules Gervais-Courtellemont, French war photographer from World War I
  • Jules Maenen, a Dutch road bicycle and track cyclist
  • Jules Rimet, former FIFA president, after whom the Jules Rimet Trophy was named
  • Jules Védrines (1881-1919), French aviator
  • Jules Verne, a French author
  • Jules Winnfield, a fictional character in the film Pulp Fiction
  • JULES, Joint UK Land Environment Simulator
  • Jules, a robot by Hanson Robotics
  • Jules Cobb, the main character of the US television series Cougar Town