Last name ตองใจ (ตองใจ 
, Want 
) , all over the world, is quite a rare cognomen. The family name ตองใจ is habitual in Australia, where it is a rare surname, Netherlands, and New Zealand. Measured by absolute frequency, it most frequently occurs in the United Kingdom, the United States, and Thailand. Much less frequently, ตองใจ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ตองใจ | Thailand |
| Want | Australia, United Kingdom, India, United States, Netherlands |