Holldack
Holldack is the family name of the following people:
- Felix Holldack (1880–1944), German lawyer
- Hans Holldack (1879–1950), German agricultural technician
- Heinz Holldack (1905–1971), German journalist
- Jan Holldack (* 1996), German soccer player
- Lisa Holldack (1910–1989), German dancer
- Otto Holldack (1861-1940), German opera singer (tenor)