Family name טריאס (Trias 
, טריאס 
) , in the entire world, is a common cognomen. The surname טריאס is habitual in Uruguay, where it is quite a common surname, Venezuela, where it is quite a rare surname, and Spain. In absolute terms, the name is most common in Indonesia, Philippines, and Spain. Also, טריאס is the forename as well as the last name.