Last name Karlsone (Karlsone 
) , worldwide, is a rare family name. The family name Karlsone is characteristic of Latvia, where it is quite a common surname, Lithuania, where it is a rare surname, and Italy, where it is an extremely rare surname. Very seldom, Karlsone is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Karlsone | Italy, United Kingdom, Lithuania, Latvia |
| aina karlsone Latvian artist (1935–2012), LV (b. 1935) |
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| guna karlsone badminton player, LV (b. 1939) |
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