Last name Mainau (Mainau 
) , around the world, is a very rare cognomen. The cognomen Mainau is characteristic of Nigeria, where it is a very rare surname, and Germany. Likewise, Mainau is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Mainau | Spain, Brazil, India, Nigeria, Germany |
| karoline mainau 19th century Austrian singer and actress (b. 1850) |
|
|
| eva mainau researcher |
|