Cognomen Prajjwal (Prajjwal 
) , in all the world, is a rare last name. The surname Prajjwal is habitual in Nepal, where it is a rare surname, Malaysia, where it is an extremely rare surname, and India. More frequently, Prajjwal is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Prajjwal | Malaysia, Australia, United States, Nepal, India |
Pal, Basnet, Khadka, Pathak, Pandey, Poudel, Rajput, Gautam, Gurung, Tiwari, Solanki, Agarwal, Agrawal, Acharya, Chauhan, Kaushik, Pradhan, Jaiswal, Shrestha, Bhardwaj, Bhandari, Tamrakar, Shukla, Tripathi, Sharma, Mishra, Rai, Rao, Das, Jha, Sahu, Soni, Arya, Rana, Garg, Jain, Singh, Sinha, Kumar, Dubey, Gupta, Ghosh, Joshi, Thapa, Tyagi, Verma, Yadav, Sarkar, and Srivastava