Last name Brignac (Brignac 
) , worldwide, is quite a rare family name. The surname Brignac is habitual in the United States, where it is a rare surname, France, where it is a very rare surname, and Switzerland. Measured by absolute frequency, it is the most numerous in the United States, France, and Australia.
| VARIANT | COUNTRY |
|---|---|
| Brignac | Australia, Canada, France, United States, Switzerland |
| pierre de villoutreys de brignac French politician (1897-1972), FR (b. 1897) |
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| armand de villoutreys de brignac FR (b. 1960) |
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| marie de brignac, dame de kerfilly |
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| scott brignac |
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| regnaut|julien de brignac, sieur de kerfilly |
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