Cognomen เซอรัมย์ (Serum 
, เซอรัมย์ 
) , all around the world, is a rare surname. The cognomen เซอรัมย์ is characteristic of Papua New Guinea, where it is quite a rare surname, Israel, and Malaysia, where it is a very rare surname. In absolute terms, it most frequently occurs in the United States, Papua New Guinea, and Indonesia. Very seldom, เซอรัมย์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Serum | United States, India, Israel, Indonesia, Papua New Guinea |
| เซอรัมย์ | Thailand |