Cognomen Vennus (Vennus 
) , around the globe, is a very rare family name. The last name Vennus is characteristic of Australia, where it is a very rare surname, Mexico, where it is an extremely rare surname, and the United States. More prevalently, Vennus is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Vennus | Australia, Philippines, Mexico, United States, Brazil |