Josias von Rantzau
| Josias Rantzau | |
|---|---|
 Josias Rantzau, by Jean Alaux | |
| Born | 18 October 1609 |
| Died | 14 September 1650 (aged 40) |
| Rank | Marshal of France |
| Other work | Governor of Dunkirk |
Josias Rantzau, (18 October 1609 - 14 September 1650, Paris) was a Danish military leader and Marshal of France.