Cognomen 小瀧 (Kotaki 
, Kodaki 
, 小瀧) , in all the world, is a common surname. The last name 小瀧 is characteristic of Japan, where it is quite a common surname, Greece, where it is quite a rare surname, and Brazil, where it is a very rare surname. Not in comparison with a country's population, it is the most numerous in Japan, India, and Greece.