Family name รค (Rok 
, รค 
) , in all the world, is quite a common last name. The family name รค is habitual in Slovenia, where it is quite a common surname, Qatar, where it is quite a rare surname, and Algeria. Measured by absolute frequency, it is commonest in Northern Africa, particularly Algeria, Egypt, and Morocco. Also, รค is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Rok | Egypt, Algeria, Slovenia, Morocco, Poland |
| รค | Thailand |