Family name Kostantino (Kostantino 
) , worldwide, is quite a rare last name. The surname Kostantino is habitual in Greece, where it is quite a common surname, Slovenia, where it is a rare surname, and Tanzania. Also, Kostantino is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kostantino | Tanzania, Italy, Greece, United States, Slovenia |
Костантино, and Костантіно