Rohwedder or Rohweder is a German surname. Notable people with the surname include: Detlev Karsten Rohwedder (1932–1991), German manager and politician. Joachim Rohweder (1841–1905), German ornithologist. Niels Rohweder (1906–1993), Danish architect. Otto Frederick Rohwedder (1880–1960), American inventor and engineer. Otto Rohwedder (1909-1969), German footballer https://en.wikipedia.org/wiki/Rohwedder