Cognomen Seltin (Seltin 
) , across the world, is a very rare surname. The family name Seltin is habitual in Australia, where it is a very rare surname, Venezuela, where it is an extremely rare surname, and France. Measured by absolute frequency, it is commonest in the United States, Australia, and France. Also, Seltin is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Seltin | Italy, Australia, United States, India, France |