Family name อินทุ (Inthu 
, อินทุ 
) , all over the world, is a rare last name. The last name อินทุ is habitual in Qatar, where it is quite a rare surname, Sri Lanka, where it is a rare surname, and Kuwait. In absolute terms, the name is most common in Sri Lanka, Saudi Arabia, and Qatar. Also, อินทุ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Inthu | Myanmar, Saudi Arabia, India, Sri Lanka, Qatar |
| อินทุ | Thailand |