Surname विष्णु (Vishnu 
, Visnu 
, विष्णु ) , in all the world, is a common family name. The family name विष्णु is characteristic of United Arab Emirates, where it is quite a common surname, Mauritius, and Oman. In absolute terms, this name is the most popular in India, United Arab Emirates, and Saudi Arabia. Much more prevalently, विष्णु is the forename as well as the last name.