Cognomen Brattain (Brattain 
) , all over the world, is a rare family name. The surname Brattain is habitual in the United States, where it is a rare surname, New Zealand, and Canada, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Brattain | Canada, New Zealand, United States, United Kingdom, Germany |
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walter brattain American physicist (1902-1987), US (b. 1902) |
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| robert brattain American physicist (1911-2002) (b. 1911) |
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| eric brattain Ph.D. University of California, Davis 2016 |
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| keren gilmore brattain |
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