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 | Venezuela, Canada, Brazil, United States |
| john longest American politician, US (b. 1860) |
|
|
| barney longest Negro League Baseball player, US (b. 1917) |
|
|
| charles lindsay longest (b. 1933) |
|
|
| seonkyoung longest Korean chef, KR |
|