Last name 木曾 (Kiso 
, 木曾 
, Кисо) , in all the world, is quite a rare cognomen. The cognomen 木曾 is habitual in Bosnia and Herzegovina, where it is quite a rare surname, Serbia, and Papua New Guinea. Measured by absolute frequency, this name is the most popular in India, Serbia, and Germany. More prevalently, 木曾 is the forename as well as the last name.