Last name Hannavy (Hannavy 
) , in the entire world, is a very rare surname. The family name Hannavy is characteristic of Australia, where it is a very rare surname, and the United Kingdom. Much less frequently, Hannavy is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Hannavy | Philippines, France, United Kingdom, Australia |
| john hannavy |
|