Family name Райхань (Raihan 
, Raikhan 
, Raykhan 
) , in the world, is a widespread surname. The surname Райхань is habitual in Bangladesh, where it is quite a common surname, Oman, and Malaysia (explore the name in all countries). Not in comparison with a country's population, it is commonest in Bangladesh, Indonesia, and Malaysia. Likewise, Райхань is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Raihan | Malaysia, Saudi Arabia, India, Bangladesh, Indonesia |
| Raikhan | Malaysia, Kazakhstan, Singapore, India, Indonesia |
| Raykhan | United States, India, Indonesia |
| Райхань | Russia |