Last name Testy (ทดสอบ 
, Testy 
, Testu 
) , around the world, is quite a rare family name. The last name Testy is characteristic of France, where it is quite a rare surname, Paraguay, and Italy, where it is a very rare surname. Not in comparison with a country's population, the name is most common in France, Paraguay, and Indonesia. Much less frequently, Testy is the forename as well as the last name.