Cognomen Vacu (Vacu 
) , around the globe, is a rare surname. The cognomen Vacu is characteristic of South Africa, where it is a rare surname, India, where it is a very rare surname, and Mexico, where it is an extremely rare surname. Predominantly, Vacu is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Vacu | South Africa, Mexico, Spain, Malaysia, India |