Köster is a German surname. Notable people with the surname include:

• Adolf Köster (1883–1930), German politician and diplomat
• Bärbel Köster (b. 1957), German athlete
• Franz Köster (f. 1940s), German Luftwaffe pilot during World War II
• Fritz Köster (1855–1934), German trade unionist
• Gaby Köster (born 1961), German actress
• Johann Adolf Köster (1550–1630), German pastor and educator
• Maartje Köster (born 1975), Dutch cricketer

• Koester
• Koster (surname)

Surname list

This page lists people with the surname Köster.
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