Family name Robichaux (Robichaux 
) , across the world, is quite a rare last name. The cognomen Robichaux is habitual in the United States, where it is a rare surname, New Zealand, where it is a very rare surname, and Australia. Measured by absolute frequency, it is commonest in the United States, Australia, and the United Kingdom.
| VARIANT | COUNTRY |
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| Robichaux | Australia, Canada, United States, India, United Kingdom |
| jean-baptiste robichaux Acadian fisherman (b. 1751) |
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john robichaux New Orleans jazz musician, US (b. 1866) |
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| joe robichaux American musician, US (b. 1900) |
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| tony robichaux College baseball coach (1961-2019), US (b. 1961) |
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| jacqulyne robichaux researcher |
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| mary robichaux American politician, US |
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| john c. robichaux New Orleans jazz musician, US |
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| van robichaux American comedy writer and television producer (b. 1984) |
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| david robichaux |
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| melba robichaux |
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