Cognomen 克提 (Kettil 
, 克提 
) , all over the world, is a very rare surname. The last name 克提 is habitual in Sweden, where it is a rare surname, Nicaragua, where it is a very rare surname, and China, where it is an extremely rare surname. Not in comparison with a country's population, it is the most numerous in Sweden, China, and India. Likewise, 克提 is the forename as well as the last name.