Cognomen รอยด์ (Roi 
, รอยด์ 
, Rloyd) , in the world, is a common surname. The family name รอยด์ is characteristic of Mongolia, where it is a common surname, Algeria, where it is quite a common surname, and Tunisia (explore the name in all countries). In absolute terms, the name is most common in Algeria, Myanmar, and Mongolia. Also, รอยด์ is the forename as well as the last name.