Family name Deabreu (Deabreu 
) , in the entire world, is a rare surname. The cognomen Deabreu is habitual in Guyana, where it is a rare surname, Canada, and Portugal. Not in comparison with a country's population, it is the most numerous in the United States, Canada, and the United Kingdom.
| VARIANT | COUNTRY |
|---|---|
| Deabreu | Canada, France, Brazil, United Kingdom, United States |