Koppel or Kopel is surname, and may refer to:Anders Koppel, Danish classical and popular composer and pianist
Andrea Koppel, American political and Chinese topical journalist
Annisette Koppel, Danish singer
Bernie Kopell, American character actor
Dave Kopel, American author, attorney, and gun rights advocate
Gavin Koppel, American musician and graffiti artist
Heinrich Koppel (1863–1944), Estonian medical scientist and rector
Heinz Koppel (1919–1980), British artist
Herman David Koppel (1908–1998), Danish classical music composer and pianist
Lone Koppel, Danish singer
Martin Koppel, American leader of the Socialist Workers Party in the United States
Naja Rosa Koppel, Danish singer and songwriter
Nancy Kopell, American mathematician
Nikolaj Koppel, Danish pianist, music director and journalist
Oliver Koppell, American politician
Ted Koppel, American political journalist
Thomas Koppel (1944–2006), Danish classical music composer and musician
Virve Koppel (1931–2016), Estonian television and film director