Cognomen อินถา (อินถา 
, Intha 
) , worldwide, is quite a rare last name. The surname อินถา is characteristic of Thailand, where it is quite a rare surname, Laos, and Finland, where it is a very rare surname. In absolute terms, this name is the most popular in Thailand, India, and Laos. Very seldom, อินถา is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| อินถา | Thailand |
| Intha | Thailand, Indonesia, India, Laos, United States |