Family name Porumbacu (Porumbacu 
) , in all the world, is a very rare cognomen. The surname Porumbacu is characteristic of Eastern Europe, particularly Romania, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Porumbacu | Romania |
|
veronica porumbacu jewish poet, prose writer and translator, RO (b. 1921) |
|
Gabi, and Constantin