Surname Harshavardhan (Harshavardhan 
) , across the world, is a rare family name. The cognomen Harshavardhan is habitual in India, where it is a very rare surname, Malaysia, and the United States, where it is an extremely rare surname. More prevalently, Harshavardhan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Harshavardhan | Australia, United Arab Emirates, India, Singapore, United States |
Raj, Yadav, Mishra, Sharma, Shetty, Shinde, Chavan, Challa, Kamble, Pandey, Prasad, Gautam, Jadhav, Harsha, Addanki, Chauhan, Bandaru, Bhosale, Gaikwad, Kulkarni, Deshmukh, Shrivastav, Varma, Yarlagadda, Hegde, Joshi, Rai, Rao, Jha, Mane, Sinh, Kale, Raja, Raju, Goud, Jain, Naik, Singh, Bapat, Kadam, Kumar, Patil, Pawar, Reddy, Desai, Gupta, Gowda, Naidu, and Thamilarasan