Cosack
Cosack is the family name of the following people:
- Erhard Cosack (* 1941), German archaeologist
- Gabriel Cosack (1932–2018), German nun and abbess
- Josef Cosack (1801–1879), German entrepreneur and industrial pioneer
- Hans-Josef Cosack (1891–1963), landowner and former federal chairman of the German Hunting Association
- Karl Johann Cosack (1813–1868), German Protestant theologian
- Konrad Cosack (1855–1933), German lawyer
- Michael Kleine-Cosack (* 1942), German lawyer
- Paul Cosack (1852–1913), German city architect in Jena
and the name of a former company in Hamm: Cosack & Co.