Cognomen Riyait (Riyait 
) , around the world, is a very rare surname. The surname Riyait is habitual in the United Kingdom, where it is a very rare surname, Canada, and the United States, where it is an extremely rare surname. Measured by absolute frequency, it is commonest in the United Kingdom, Canada, and India. Very seldom, Riyait is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Riyait | United States, United Kingdom, Canada, India |