In all the world, บุญใจ (Merit 
, บุญใจ 
, Boonjai ) is quite a rare dominantly feminine, but infrequently boy's given name. The first name บุญใจ is characteristic of Equatorial Guinea, where it is quite a rare boy's name, Estonia, where it is quite a rare girly name, and Mongolia, where it is quite a rare boy's name. In absolute terms, it is the most numerous in Nigeria, Egypt, and Mexico. Also, บุญใจ is the last name as well as the forename.