Cognomen Jeffra (Jeffra 
) , around the world, is a very rare surname. The last name Jeffra is characteristic of the United States, where it is a very rare surname, Venezuela, where it is an extremely rare surname, and Canada. Likewise, Jeffra is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Jeffra | Canada, Venezuela, United States, Philippines |
| harry jeffra American boxer, US (b. 1914) |
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| caroline jeffra researcher ORCID ID = 0000-0001-7413-3402 |
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