Cognomen Bortner (Bortner 
) , around the world, is quite a rare surname. The surname Bortner is characteristic of the United States, where it is a rare surname, Sweden, and New Zealand. Not in comparison with a country's population, it most frequently occurs in the United States, Germany, and Sweden.
| VARIANT | COUNTRY |
|---|---|
| Bortner | New Zealand, United States, Sweden, Germany, Canada |
| michael bortner American politician, US (b. 1949) |
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| m. a. bortner (b. 1948) |
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| carl d bortner researcher |
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| susan schechter bortner American survey statistician |
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