Cognomen ระนาด (Ranat 
, ระนาด , Ranop 
) , throughout the world, is quite a rare family name. The cognomen ระนาด is characteristic of Morocco, where it is a rare surname, Thailand, and India, where it is a very rare surname. Also, ระนาด is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ranat | Nigeria, United States, Thailand, India, Morocco |
| ระนาด | Thailand |
| Ranop | United States, Thailand, Indonesia, India |