Surname วิไลโรจน์ (Wilairot 
, วิไลโรจน์ , Vilairoj 
) , across the world, is a rare last name. The last name วิไลโรจน์ is habitual in Thailand, where it is a rare surname, and the United States, where it is an extremely rare surname. Much less frequently, วิไลโรจน์ is the forename as well as the last name.