Surname Ionico (Ionico 
) , all over the world, is a very rare family name. The cognomen Ionico is habitual in Italy, where it is a rare surname, Canada, where it is a very rare surname, and Venezuela, where it is an extremely rare surname. Much less frequently, Ionico is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ionico | Canada, Philippines, Venezuela, Italy, Brazil |