Preuss or Preuß is a German surname derived from Preussen, the German word for Prussia, and may refer to:Charles Preuss (1803–1854), surveyor and cartographer on Fremont expeditions in the American West Christoph Preuß, German football player Franziska Preuß, German biathlete Hugo Preuß (1860–1925), German lawyer and liberal politician Josefine Preuß, German actress Konrad Theodor Preuss (1869–1938), German ethnologist Paul Preuss (author), American science-fiction author and science consultant for film companies Paul Preuss (climber) (1886–1913), Austrian mountain climber Ted Preuss, American fine art photographer Werner Preuss (1894-1919), German fighter ace