Paul Julius Möbius (January 24, 1853 – January 8, 1907) was a German neurologist born in Leipzig. His grandfather was German mathematician and theoretical astronomer, August Ferdinand Möbius (1790–1868). He was a prolific writer and is well known for publications in the fields of neurophysiology and endocrinology. Among his writings in psychiatry were psychopathological studies of Goethe, Rousseau, Schopenhauer and Nietzsche. He was also an editor of Schmidt's Jahrbücher der in- und ausländischen gesammten Medizin.