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 | Indonesia, Saudi Arabia, Malaysia, India, Bangladesh |
| Raikhan | Kazakhstan, Indonesia, Malaysia, Singapore, India |
| Raykhan | India, Indonesia, United States |
| Райхань | Russia |