Family name Brillhart (Brillhart 
) , throughout the world, is quite a rare cognomen. The last name Brillhart is habitual in the United States, where it is a rare surname, New Zealand, and Canada, where it is a very rare surname.
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| Brillhart | United Kingdom, United States, Canada, Brazil, New Zealand |
| ralph brillhart US-american artist (1924-2007), US (b. 1924) |
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| john brillhart American mathematician, US (b. 1930) |
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| jeffrey brillhart American conductor, US |
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| c brillhart researcher |
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| jessica brillhart American film director |
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