Family name Delau (Delau 
) , across the world, is quite a rare last name. The family name Delau is habitual in Indonesia, where it is a rare surname, France, and Germany. Very seldom, Delau is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Delau | Germany, Indonesia, India, France, Democratic Republic of the Congo |
| olivier delau French writer, FR (b. 1950) |
|
|
| reinhard delau (b. 1940) |
|
|
| helga delau DE (b. 1946) |
|