Surname Kikunaga (Kikunaga 
) , all around the world, is a rare cognomen. The surname Kikunaga is habitual in Latin America and the Caribbean, particularly Brazil, where it is a very rare surname, Ecuador, and Mexico, where it is an extremely rare surname. Not in comparison with a country's population, it is the most numerous in Brazil, the United States, and Mexico. Also, Kikunaga is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kikunaga | Mexico, Brazil, Japan, Ecuador, United States |