Last name Creglia (Creglia 
) , all around the world, is a very rare cognomen. The family name Creglia is characteristic of Croatia, where it is a very rare surname, Italy, and Australia. Not in comparison with a country's population, it is commonest in Italy, the United States, and Canada. Very seldom, Creglia is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Creglia | Australia, Canada, Italy, United States, Croatia |