Cognomen สเวน (Swen 
, Sawen 
, สเวน 
) , around the world, is quite a rare last name. The last name สเวน is habitual in Liberia, where it is quite a common surname, Malaysia, where it is quite a rare surname, and Lebanon. Measured by absolute frequency, it most frequently occurs in Liberia, Indonesia, and India. More prevalently, สเวน is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Swen | Germany, Indonesia, India, Liberia, Myanmar |
| Sawen | Malaysia, Indonesia, India, Iraq, United States |
| สเวน | Thailand |