Cognomen รุจนโรจน์ (รุจนโรจน์ 
) , all over the world, is an extremely rare family name. The family name รุจนโรจน์ is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname. Much more frequently, รุจนโรจน์ is the forename as well as the last name.
สุขทวี, and วุฒิเสวกกามาศ