Last name Pyus (Fuso 
, Fuse , Pyus 
) , all over the world, is a common cognomen. The last name Pyus is habitual in Italy, where it is quite a rare surname, Trinidad and Tobago, and Argentina, where it is a rare surname. Measured by absolute frequency, it is commonest in India, Italy, and Argentina. Much less frequently, Pyus is the forename as well as the last name.