Cognomen Rafiquddin (Rafiquddin 
) , all over the world, is a rare surname. The family name Rafiquddin is characteristic of Malaysia, where it is a very rare surname, and India, where it is an extremely rare surname. More frequently, Rafiquddin is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Rafiquddin | United Kingdom, Canada, United States, Malaysia, India |