Worldwide, ใจแน่ (Sure 
, ใจแน่) is a common predominantly boy's, but very seldom feminine first name. The forename ใจแน่ is habitual in Mongolia, where it is quite a rare masculine name, Kuwait, where it is quite a rare dominantly boy's, but uncommonly female name, and Qatar, where it is quite a rare masculine name. Measured by absolute frequency, the name is most common in India, Nigeria, and Indonesia. Also, ใจแน่ is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Sure | Myanmar, Germany, India, Indonesia, Ethiopia |