Last name Олеа (Olea 
, Олеа 
) , across the world, is a common surname. The last name Олеа is characteristic of Latin America and the Caribbean, particularly Chile, where it is quite a common surname, Argentina, and Mexico. In absolute terms, it most frequently occurs in Mexico, Argentina, and the Democratic Republic of the Congo. Much less frequently, Олеа is the forename as well as the last name.