Last name ياناي (Yanai 
, ياناي) , globally, is quite a rare family name. The surname ياناي is characteristic of Hong Kong, where it is quite a rare surname, Israel, where it is a rare surname, and Switzerland. Not in comparison with a country's population, it most frequently occurs in Japan, Brazil, and the United States. Also, ياناي is the forename as well as the last name.