Surname Nickou (Nickou 
) , throughout the world, is a very rare cognomen. The cognomen Nickou is habitual in Australia, where it is a very rare surname, Canada, where it is an extremely rare surname, and the United States. Very seldom, Nickou is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Nickou | Australia, Philippines, Canada, United States |