Surname Furuko (Furuko 
, 古子 
) , all around the world, is a rare cognomen. The surname Furuko is characteristic of Japan, where it is a rare surname, Brazil, where it is a very rare surname, and China, where it is an extremely rare surname. Also, Furuko is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Furuko | Japan, Brazil |
| 古子 | China |