Cognomen Longsworth (Longsworth 
) , globally, is quite a rare family name. The family name Longsworth is habitual in Belize, where it is a common surname, Jersey, where it is quite a common surname, and Jamaica, where it is a rare surname. In absolute terms, this name is the most popular in the United States, Belize, and Canada.
| VARIANT | COUNTRY |
|---|---|
| Longsworth | Canada, Honduras, Jamaica, Belize, United States |
| charles longsworth American businessman, US (b. 1929) |
|
|
| nellie longsworth American historian and advocate of historic preservation, US (b. 1933) |
|
|
| eric longsworth American jazz cellist, US (b. 1959) |
|
|
|
herman longsworth |
|
| steve a. longsworth |
|
|
| guadalupe longsworth |
|