Cognomen Kål (Kal 
, Kaal 
, Kål) , in all the world, is a common surname. The surname Kål is characteristic of Estonia, where it is quite a common surname, Guatemala, and Brunei, where it is quite a rare surname. Measured by absolute frequency, it is the most numerous in India, Turkey, and Guatemala. Also, Kål is the forename as well as the last name.