Cognomen Анастасиу (Anastasiu 
, Anastasiou 
, Анастасиу 
) , globally, is a common family name. The cognomen Анастасиу is characteristic of Cyprus, where it is a common surname, Greece, where it is quite a common surname, and Romania, where it is quite a rare surname. Very seldom, Анастасиу is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Anastasiu | Greece, United Kingdom, Romania, United States, Germany |
| Anastasiou | Greece, United Kingdom, United States, Germany, Cyprus |
| Анастасиу | Russia |