Surname Passawan (Passawan 
) , all over the world, is a very rare family name. The surname Passawan is habitual in Thailand, where it is a very rare surname, and India, where it is an extremely rare surname. More prevalently, Passawan is the forename as well as the last name.
Pakdee, Khunphet, Jitworajinda, Teeraart, Ouchupongamorn, Yongsamer, Srisuprachoke, Chaisurajinda, Noppakaew, Hoontrakoon, Worametpasuk, Chompuchan, Buaprakong, Korakotchamas, Khanthongthip, Tantrakool, Khorprasert, Chomphuchan, Kamonpech, Arandorn, Popueannoi, Nuisuwan, Sukaram, Srikham, Skulsujirapa, Chankoo, Chairat, Boonjohn, Kiwcharoen, Pornrat, Jangsri, Jongruk, Muangsuk, Senaronnarit, Srivirut, Chatinun, and Wiriyasatiankun