Jules Sottas (22 May 1866, Paris – 18 September 1945, Paris) was a French neurologist.He studied medicine in Paris, and worked in the laboratories at the Hospice de Bicêtre and the Salpêtrière.
In 1894 he received his doctorate in medicine.
In Paris, he was an assistant to neurologist Joseph Jules Dejerine, with whom he collaborated on a number of studies, the best known being the eponymous "Dejerine-Sottas syndrome".