Koeppel is a surname. Notable people with the surname include:
Alfred J. Koeppel (1932–2001), American real estate developer Gerard Koeppel (born 1975), American author and historian Gerhard Koeppel (1936–2012), German historian of Roman art Horst Köppel (born 1948), German football player and manager Dan Koeppel (born 1962), American author Nora Köppel (born 1972), Argentine weightlifter Roger Köppel (born 1965), Swiss politician, journalist, entrepreneur and publicist
See also Koppel (disambiguation)