Family name วสุสาสิงห์สุข (วสุสาสิงห์สุข 
) , all over the world, is an extremely rare cognomen. The last name วสุสาสิงห์สุข is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| วสุสาสิงห์สุข | Thailand |