Hans Ludwig Raimund von Koester was a German naval officer who served in the Prussian Navy and later in the Imperial German Navy. He retired as a Grand Admiral.

The Order of the Griffon was a State Order of the Grand Duchy of Mecklenburg-Schwerin. Established on 15 September 1884, it was created to honour benevolence and outstanding service to the public. In August 1904, the Order of the Griffon was extended to citizens of the Grand Duchy of Mecklenburg-Strelitz, with the rulers of the two grand duchies serving jointly as the Grand Masters of the order.