Family name רלר (רלר 
, Roehler 
) , around the world, is a rare surname. The surname רלר is habitual in Western Europe, particularly Switzerland, where it is a rare surname, Germany, and Austria. Measured by absolute frequency, it is the most numerous in Germany, the United States, and Switzerland.
| VARIANT | COUNTRY |
|---|---|
| רלר | Israel |
| Roehler | Austria, Germany, Switzerland, Canada, United States |