Cognomen Ananthu (Ananthu 
) , all around the world, is quite a rare family name. The surname Ananthu is habitual in United Arab Emirates, where it is a rare surname, India, and South Africa, where it is an extremely rare surname. In absolute terms, it is commonest in India, United Arab Emirates, and the United States. More prevalently, Ananthu is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ananthu | United Arab Emirates, Oman, India, United States, Saudi Arabia |