Around the world, নিষ্ঠুর (নিষ্ঠুর 
) is a rare masculine first name. The given name নিষ্ঠুর is habitual in Southern Asia, particularly Bangladesh, where it is a rare boy's name. Also, নিষ্ঠুর is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| নিষ্ঠুর | Bangladesh |