Family name Деркі (Derqui 
, Деркі 
) , around the world, is a rare surname. The last name Деркі is habitual in Spain, where it is a rare surname, Argentina, and Venezuela, where it is a very rare surname. Not in comparison with a country's population, it most frequently occurs in Spain, Argentina, and Mexico. Also, Деркі is the forename as well as the last name.