Last name เจตนา (เจตนา 
, Jettana 
, Jetana 
) , throughout the world, is a rare surname. The surname เจตนา is habitual in Thailand, where it is quite a rare surname, Malaysia, where it is an extremely rare surname, and the United States. In absolute terms, it most frequently occurs in Thailand, India, and the United States. More prevalently, เจตนา is the forename as well as the last name.