Throughout the world, Santhu (Santhu 
) is quite a rare gender-neutral forename. The first name Santhu is characteristic of Western Asia, particularly United Arab Emirates, where it is quite a rare boy's name, Oman, and Bahrain. In absolute terms, it is the most numerous in India, United Arab Emirates, and Saudi Arabia. Likewise, Santhu is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Santhu | Saudi Arabia, India, Myanmar, United Arab Emirates, Oman |