Karl (surname)
Karl is a surname. Notable people with the surname include:
- Alexander Karl, Duke of Anhalt-Bernburg, German prince of the House of Ascania
- Allan Karl, American author, adventurer and speaker
- Alois Karl, German lawyer and politician from Bavaria
- Andy Karl, American actor and singer
- Andy Karl (baseball), American baseball player
- Arny Karl, American landscape painter
- Barry Dean Karl, American educator
- Beatrix Karl, Austrian academic, politician and government minister
- Benjamin Karl, Austrian Olympic snowboarder
- Coby Karl, American basketball player
- David Karl, American microbial biologist and oceanographer
- Elfriede Karl, Austrian politician
- Ernst Karl, Austrian police officer convicted of murder
- Franz Karl (disambiguation), several people
- Frederick Karl (disambiguation), several people
- Fritz Karl, Austrian actor
- George Karl, American basketball coach
- Günther Karl, German Olympic rower
- Jean E. Karl, American novelist
- Jerry Karl, American racing driver
- Jonathan Karl, American political journalist
- Markus Karl, German footballer
- Martin Karl, German Olympic rower
- Mary Brennan Karl, American educator
- Mary Cordia Karl, American mathematician
- Raimund Karl, Austrian archaeologist, Celticist and historian
- Reinhard Karl, German mountaineer, photographer and writer
- Richie Karl, American golfer
- Roger Karl, French actor
- Scott Karl, American baseball player
- Steffen Karl, German footballer
- Terry Karl, professor of Latin American Studies at Stanford University
- Thomas R. Karl, climate researcher, director of the U.S. National Centers for Environmental Information 2015–2016
- William Karl, American electrical engineer
- William Karl (bishop), Indian Anglican cleric, Bishop of Northern Karnataka 1970–1980