Family name Deleau (Deleau 
) , in the world, is quite a rare cognomen. The cognomen Deleau is habitual in France, where it is quite a rare surname, Belgium, and Argentina, where it is a rare surname. Much less frequently, Deleau is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Deleau | Belgium, Canada, France, United States, Argentina |
|
nicolas deleau FR (b. 1797) |
|
|
clémentine deleau French bearded lady, FR (b. 1865) |
|
| eugène-pierre maurice deleau French military personnel, FR (b. 1879) |
|
|
| gustave deleau French politician, FR (b. 1909) |
|
|
| olivier deleau FR (b. 1912) |
|
|
| emile deleau, jr. United States Army Medal of Honor recipient (1923-1945), US (b. 1923) |
|
|
| pierre-henri deleau French film producer and actor, FR (b. 1942) |
|
|
| jean-marie deleau French politician, FR (b. 1948) |
|
|
| françois deleau French politician, FR (b. 1966) |
|
|
| léa deleau FR |
|