In Jainism, a person’s surname does not determine whether they are Jain. Jain identity is about following the Jain dharma, not about a family name.

The surname Nisar is not commonly associated with Jain communities; it is more often found among Muslim communities. However, there can be individuals with any surname who practice Jainism.

If you want to confirm someone’s Jain affiliation, the reliable approach is to ask the person or check with a local Jain temple or community record.

Would you like a brief, plain-language explanation of how Jain identity is traditionally recognized (gotra, guru, sect differences, etc.)?