Cognomen Sloser (Sloser 
) , globally, is a very rare surname. The cognomen Sloser is habitual in Croatia, where it is a rare surname, Czechia, and Greece, where it is a very rare surname. In absolute terms, it is the most numerous in Czechia, Greece, and Turkey. Likewise, Sloser is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sloser | Greece, Czechia, Poland, United States, Turkey |