Karl is a given name that can refer to:
- Karl, a waiter for the German Ministry of Magic in 1932
- Karl, the pet Knarl of Millicent Bagnold
- Karl Broadmoor, a Beater for the Falmouth Falcons
- Karl Jenkins, a student at Hogwarts School of Witchcraft and Wizardry in the 2010s and 2020s
- Karl Limpley, a Hufflepuff student at Hogwarts in the 1990s
- Karl Wang, Keeper for the Norwegian National Quidditch team in 2014
Behind the scenes[]
Real-world individuals with the given name Karl include:
- Karl Wickens, the Lead Visual FX and EA Bright Light from the Harry Potter and the Half-Blood Prince video game
- Karl Farrer, actor in Fantastic Beasts and Where to Find Them (film)
- Karl H., character seen on the Marauder's Map
- Karl Wickens, VFX artist