Surname Krishanan (Krishanan 
) , globally, is quite a rare family name. The cognomen Krishanan is habitual in Malaysia, where it is quite a rare surname, Oman, and United Arab Emirates, where it is a rare surname. In absolute terms, the name is most common in India, Malaysia, and Indonesia. Much less frequently, Krishanan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Krishanan | United Arab Emirates, Malaysia, Indonesia, India, Saudi Arabia |