Surname Treharne (Treharne 
) , all over the world, is quite a rare last name. The surname Treharne is characteristic of the United Kingdom, where it is quite a rare surname, Australia, where it is a rare surname, and Ireland. Measured by absolute frequency, this name is the most popular in the United Kingdom, the United States, and Australia.
| VARIANT | COUNTRY |
|---|---|
| Treharne | Australia, Canada, France, United Kingdom, United States |
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edward treharne Welsh rugby union footballer, GB (b. 1862) |
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| bryceson treharne Welsh musician and composer, GB (b. 1879) |
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| trevor treharne Australian sports journalist, GB (b. 1901) |
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| reginald francis treharne British professor of history (1901 -1967) (b. 1901) |
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| margaret treharne GB (b. 1919) |
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|
elaine treharne academic, GB |
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| colin treharne Welsh footballer, GB (b. 1937) |
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| gareth david treharne (born 1969) (b. 1969) |
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| linda jane treharne (born 1970) (b. 1970) |
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| michael charles treharne (born 1974) (b. 1974) |
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| angela christina treharne (born 1977) (b. 1977) |
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| gwendoline mary treharne Peerage person ID=168968 |
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| helen treharne researcher ORCID ID = 0000-0003-1835-4803 |
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| rachael treharne researcher (ORCID 0000-0002-3238-5959) |
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| emma treharne (died 1921) |
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