Surname Ngaou (Ngaou 
) , across the world, is a rare last name. The surname Ngaou is characteristic of the Democratic Republic of the Congo, where it is a rare surname, France, where it is an extremely rare surname, and Canada. In absolute terms, it most frequently occurs in the Democratic Republic of the Congo, the United States, and France.
| VARIANT | COUNTRY |
|---|---|
| Ngaou | United States, India, Canada, France, Democratic Republic of the Congo |