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