Cognomen Blackner (Blackner 
) , in the world, is a rare family name. The surname Blackner is characteristic of the United States, where it is a rare surname, Canada, where it is a very rare surname, and the United Kingdom.
| VARIANT | COUNTRY |
|---|---|
| Blackner | United Kingdom, United States, Canada, Nicaragua |
|
john blackner British writer, GB (b. 1770) |
|
| arnold blackner American opera singer (b. 1893) |
|
|
| danny blackner American actor, GB (b. 1965) |
|
|
| kim blackner college basketball player (1992–1994) Southern Utah |
|