Last name Bildy (Bildy 
, Бильдий 
) , around the world, is a very rare surname. The cognomen Bildy is characteristic of Russia, where it is a very rare surname, Canada, and the United States, where it is an extremely rare surname. Much less frequently, Bildy is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Bildy | Canada, United States, Philippines |
| Бильдий | Russia |