Across the world, วันใจ (Wanchai 
, วันใจ ) is a rare predominantly male, but scarcely feminine given name. The forename วันใจ is characteristic of Thailand, where it is quite a rare boy's name, the United States, where it is an extremely rare predominantly masculine, but very infrequently girly name, and India, where it is an extremely rare girly name. Much less frequently, วันใจ is the last name as well as the forename.