Family name 楚丁 (Tschudin 
, 楚丁 
) , around the globe, is quite a rare cognomen. The cognomen 楚丁 is habitual in Switzerland, where it is quite a common surname, Czechia, where it is a rare surname, and Spain, where it is a very rare surname. In absolute terms, it is the most numerous in Switzerland, the United States, and France. Much less frequently, 楚丁 is the forename as well as the last name.