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Cognomen Njau (Njau
) , across the world, is a common last name. The surname Njau is characteristic of Kenya, where it is quite a common surname, Tanzania, and Qatar, where it is quite a rare surname. Measured by absolute frequency, it is commonest in Kenya, Tanzania, and Indonesia. Very seldom, Njau is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Njau | Tanzania, United Arab Emirates, United States, Indonesia, Kenya |