In the world, Райхань (Raihan 
, Raikhan 
, Raykhan 
) is a common primarily male, but scarcely girly first name. The forename Райхань is characteristic of Bangladesh, where it is quite a common masculine name, Indonesia, where it is quite a common predominantly masculine, but scarcely feminine name, and Oman. Not in comparison with a country's population, it is the most numerous in Indonesia, Bangladesh, and India. Also, Райхань is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Raihan | Bangladesh, India, Indonesia, Malaysia, Saudi Arabia |
| Raikhan | Kazakhstan, Singapore, India, Indonesia, Malaysia |
| Raykhan | United States, India, Indonesia |
| Райхань | Russia |