Köppen is a German surname. Notable people with the surname include:
Bernd Köppen (born 1951), German pianist and composerEdlef Köppen (1893–1939), German author and radio editorFriedrich Köppen (1775–1858), German philosopherJan Köppen (born 1983), German television presenter and DJJens Köppen (born 1966), German rowerKerstin Köppen (born 1967), German rowerWladimir Köppen (1846–1940), German geographer, meteorologist, climatologist and botanist who developed the Köppen climate classification