Wilhelm Köster
Wilhelm Köster or Wilhelm Koester is the name of the following people:
- Wilhelm Köster (banker) ( Wilhelm August Hyppolyt Köster ; 1854–1902 / 1903), German banker and consul
- Wilhelm Köster (architect) (1860–1946), German architect
- Wilhelm Köster (politician) (1869 – after 1930), German politician (DVP), Member of the Free State of Lippe
- Wilhelm Köster (entomologist) (also Wilhelm Koester ; 1869–1936), German doctor and entomologist
- Wilhelm Köster (diplomat) ( Wilhelm Dietrich Helmut Roland Köster ; 1883–1935), German lawyer and diplomat
- Wilhelm Koester (theologian, 1890) (1890–1971), German theologian and university professor
- Wilhelm Köster (painter) (1899–1981), German painter and graphic artist
- Wilhelm Köster (theologian, 1906) (1906–1985), German Jesuit and theologian