Surname Tetuko (Tetuko 
) , around the world, is quite a rare cognomen. The surname Tetuko is habitual in Indonesia, where it is a rare surname, Malaysia, where it is a very rare surname, and the United States, where it is an extremely rare surname. Likewise, Tetuko is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Tetuko | United States, Malaysia, Brazil, Indonesia |