Family name Bhreathnach (Bhreathnach 
) , in the world, is a very rare cognomen. The last name Bhreathnach is characteristic of Northern Europe, particularly Ireland, where it is quite a rare surname, and the United Kingdom, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Bhreathnach | Ireland, United Kingdom |
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niamh bhreathnach Irish remedial teacher and politician, IE (b. 1945) |
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gearóidín bhreathnach Irish singer, IE |
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linda bhreathnach Irish actress, IE (b. 1983) |
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| edel bhreathnach Irish historian (b. 1950) |
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