Surname Вишну (Vishnu 
, Vasanthan 
, Vichnou 
) , globally, is a common cognomen. The family name Вишну is characteristic of United Arab Emirates, where it is quite a common surname, Mauritius, and Oman (explore the name in all countries). Measured by absolute frequency, it most frequently occurs in India, United Arab Emirates, and Saudi Arabia. Predominantly, Вишну is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Vishnu | Saudi Arabia, United Arab Emirates, India, Nepal, Oman |
| Vasanthan | Saudi Arabia, United Arab Emirates, Sri Lanka, United States, India |
| Vichnou | France, United States, Democratic Republic of the Congo |
| Вишну | Russia |