Horrible
Greulich is the family name of the following people:
- Bernhard Greulich (1902–1995), German athlete and lawn power athlete
- Carl Wilhelm Greulich (1796–1837), German composer and pianist
- Emil Rudolf Greulich (1909–2005), German writer
- Helmut Greulich (1923–1993), German trade unionist and politician (SPD)
- Helmut Greulich (journalist) , German journalist
- Herman Greulich (1842–1925), Swiss politician
- Irene Greulich (1944–2017), German organist and cantor
- Jonas Greulich (* 1971), German comic artist, editor and filmmaker
- Karl Otto Greulich (* 1946), German age researcher
- Katja Greulich (* 1985), German soccer player and trainer
- Peter Greulich (* 1957), German politician (Alliance 90 / The Greens)
- Walter Greulich (* 1952), German physicist, editor and lexicographer
