Family name ธีระวานิช (Teeravanich 
, ธีระวานิช , Thirawanich ) , in the world, is a very rare surname. The family name ธีระวานิช is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname. Much less frequently, ธีระวานิช is the forename as well as the last name.