Gray matter
Grautoff is the name of
- Christiane Grautoff (1917–1974), German actress; Wife of the expressionist writer Ernst Toller
- Ferdinand Grautoff (1871–1935), German journalist and writer
- Ferdinand Heinrich Grautoff (1789–1832), German teacher, librarian and polyhistor
- Karl-Bernhard Grautoff (1906–1982), German entrepreneur
- Otto Grautoff (1876–1937), German art historian, Romanist, journalist and translator
- Paul Grautoff (1868–1943), German officer
