Last name Longest (Longest 
) , in the entire world, is quite a rare family name. The family name Longest is habitual in the United States, where it is a rare surname, Canada, where it is a very rare surname, and Brazil, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Longest | Brazil, United States, Venezuela, Canada |
| john longest American politician, US (b. 1860) |
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| barney longest Negro League Baseball player, US (b. 1917) |
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| charles lindsay longest (b. 1933) |
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| seonkyoung longest Korean chef, KR |
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