Cognomen Boongarn (Boongarn 
) , all around the world, is a very rare family name. The last name Boongarn is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
Kawnjai, Salinee, Somnuek, Aurivan, Wanwisa, Kachagarn, Kotchagarn, and Khajornpong