Hans von Koester | |
|---|---|
 Hans von Koester | |
| Born | 29 April 1844 Schwerin |
| Died | 21 February 1928 (aged 83) Kiel |
| Allegiance |  Kingdom of Prussia North German Confederation German Empire |
| Service |  Prussian Navy North German Federal Navy Imperial German Navy |
| Years of service | 1859–1906 |
| Rank | Grand Admiral |
| Awards | Order of the Black Eagle |
| Signature | .png){kind=small} |
Hans Ludwig Raimund von Koester (29 April 1844 – 21 February 1928) was a German naval officer who served in the Prussian Navy and later in the Imperial German Navy. He retired as a Grand Admiral.