Cognomen ธิราวัฒน์ (ธิราวัฒน์ 
) , around the world, is a very rare family name. The cognomen ธิราวัฒน์ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Likewise, ธิราวัฒน์ is the forename as well as the last name.