Alexander Nikuradse (Aleksandre Nikuradze; Georgian: ალექსანდრე ნიკურაძე), also known by his pseudonym Al. Sanders, (November 10, 1900 – June 13, 1981) was a Georgian-German physicist and Nazi political scientist. As a physicist, he chiefly engaged in applied physics. In particular he investigated dielectric materials and the theories of electrons and ions. He died in Munich, Germany. His brother, Johann Nikuradse (1894–1979), was also a notable German-based physicist.