Cognomen تروس (Truss 
, تروس 
) , around the world, is quite a rare last name. The surname تروس is habitual in Barbados, where it is quite a common surname, Estonia, where it is quite a rare surname, and the United States, where it is a rare surname. Measured by absolute frequency, this name is the most popular in the United States, Indonesia, and the United Kingdom. Much less frequently, تروس is the forename as well as the last name.