Last name Manrau (Manrau 
) , in the world, is a very rare cognomen. The cognomen Manrau is characteristic of Colombia, where it is a very rare surname, Germany, where it is an extremely rare surname, and the United States. Measured by absolute frequency, this name is the most popular in Germany, Colombia, and India.
| VARIANT | COUNTRY |
|---|---|
| Manrau | India, United States, Germany, Colombia |