Family name Nanau (Nanau 
) , across the world, is a rare cognomen. The last name Nanau is characteristic of Romania, where it is quite a rare surname, Papua New Guinea, and Myanmar, where it is a rare surname. Likewise, Nanau is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Nanau | Papua New Guinea, Myanmar, India, Indonesia, Romania |
| alexander nanau Romanian-born German film director, RO (b. 1979) |
|