Cognomen Rker (Rker 
) , in all the world, is a rare family name. The surname Rker is habitual in Myanmar, where it is a rare surname, Germany, where it is a very rare surname, and Turkey, where it is an extremely rare surname. Measured by absolute frequency, it is the most numerous in Myanmar, China, and Germany. Also, Rker is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Rker | Turkey, Myanmar, Germany, China |