Across the world, สมเสร็จ (Tapir 
, Tapsir 
, Somset 
) is quite a rare principally masculine, but scarcely feminine first name. The given name สมเสร็จ is habitual in Indonesia, where it is a very rare boy's name, India, where it is a very rare principally masculine, but very seldom girly name, and Brazil, where it is an extremely rare largely male, but seldom female name. Also, สมเสร็จ is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Tapir | Germany, Brazil, India, Indonesia, Malaysia |
| Tapsir | Philippines, Thailand, India, Indonesia, Malaysia |
| Somset | Thailand, India, Spain |
| สมเสร็จ | Thailand |