Surname ประโยช (Prayoj , ประโยช ) , around the world, is an extremely rare cognomen. Much more frequently, ประโยช is the forename as well as the last name.
Prayoch
พรมรอด
, ประโยช 
) , around the world, is an extremely rare cognomen. Much more frequently, ประโยช is the forename as well as the last name.