Cognomen Sadhak (Sadhak 
) , around the world, is quite a rare last name. The cognomen Sadhak is characteristic of Kuwait, where it is a rare surname, India, and Bangladesh. Also, Sadhak is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sadhak | Saudi Arabia, Kuwait, United States, India, Bangladesh |
| sadhak sengupta researcher |
|
|
| jagdish prasad jain sadhak |
|