Surname Krystallo (Krystallo 
) , in all the world, is a rare cognomen. The last name Krystallo is habitual in Greece, where it is quite a rare surname, and Germany, where it is an extremely rare surname. Also, Krystallo is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Krystallo | Greece, Cyprus, United States, Germany, South Africa |