In the world, ใจสิงห์ (ใจสิงห์ 
) is a very rare boy's given name. The given name ใจสิงห์ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare masculine name. Likewise, ใจสิงห์ is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| ใจสิงห์ | Thailand |