Around the world, Langseth (Langseth 
, Лангсет) is a very rare masculine forename. The first name Langseth is habitual in Eastern Asia, particularly China, where it is an extremely rare male name. Predominantly, Langseth is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Langseth | China, Sweden, United States, Latvia, Norway |