Surname De Roza (De Roza 
) , in the entire world, is a very rare cognomen. The surname De Roza is habitual in Bermuda, where it is quite a rare surname, Singapore, and Australia, where it is a very rare surname. In absolute terms, this name is the most popular in Singapore, Australia, and the United States.
| VARIANT | COUNTRY |
|---|---|
| De Roza | Singapore, Philippines, Malaysia, Australia, United States |