Surname Cleau (Cleau 
) , worldwide, is a rare last name. The surname Cleau is characteristic of France, where it is a rare surname, the United Kingdom, where it is an extremely rare surname, and Brazil. Much less frequently, Cleau is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Cleau | Brazil, France, United Kingdom, South Africa |
| denis cleau French politician, FR (b. 1951) |
|