Ruska (surname)

Ruska is a surname. Notable people with the surname include:


 * Ernst Ruska (1906–1988), German physicist
 * Julius Ruska (1867–1949), German orientalist, historian of science, and educator
 * Helmut Ruska (1908–1973), German physician and biologist
 * Wim Ruska (1940–2015), Dutch judoka