Family name สมสุด (Perfect 
, สมสุด 
) , around the world, is a common cognomen. The surname สมสุด is habitual in Ghana, where it is quite a rare surname, Albania, and Mauritius. Measured by absolute frequency, it is commonest in Ghana, Indonesia, and the United Kingdom. Also, สมสุด is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Perfect | Myanmar, United Kingdom, Ghana, Zimbabwe, Indonesia |
| สมสุด | Thailand |