Family name Раых (Rayh 
, Rayx 
, Раых 
) , in the world, is a rare cognomen. The last name Раых is characteristic of Bulgaria, where it is a rare surname, Morocco, and Algeria, where it is a very rare surname. Measured by absolute frequency, it most frequently occurs in Morocco, India, and Bulgaria. Very seldom, Раых is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Rayh | Algeria, Bulgaria, China, India, Morocco |
| Rayx | Spain, Brazil, Thailand, United States |
| Раых | Russia |
| Raykh | United States |