Surname Aconstantinesei (Aconstantinesei 
) , worldwide, is a rare family name. The cognomen Aconstantinesei is habitual in Romania, where it is quite a rare surname, Denmark, where it is a very rare surname, and Italy. Not in comparison with a country's population, it is commonest in Romania, Italy, and Spain. Much less frequently, Aconstantinesei is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Aconstantinesei | Italy, Spain, United Kingdom, Romania, Denmark |