Köppen is a German surname. Notable people with the surname include:
Bernd Köppen (born 1951), German pianist and composer
Edlef Köppen (1893–1939), German author and radio editor
Friedrich Köppen (1775–1858), German philosopher
Jan Köppen (born 1983), German television presenter and DJ
Jens Köppen (born 1966), German rower
Kerstin Köppen (born 1967), German rower
Wladimir Köppen (1846–1940), German geographer, meteorologist, climatologist and botanist who developed the Köppen climate classification
