Surname Plako (Placo 
, Plate 
, Platte 
) , around the world, is a common last name. The last name Plako is characteristic of Paraguay, where it is quite a common surname, Germany, where it is quite a rare surname, and Latvia. Not in comparison with a country's population, the name is most common in Germany, the United States, and Paraguay. Very seldom, Plako is the forename as well as the last name.