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 | Nicaragua, United Kingdom, United States, Canada |
|
john blackner British writer, GB (b. 1770) |
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| arnold blackner American opera singer (b. 1893) |
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| danny blackner American actor, GB (b. 1965) |
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| kim blackner college basketball player (1992–1994) Southern Utah |
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