Surname Pouvier (Posse 
, Pouvier, Povoir) , throughout the world, is quite a common last name. The family name Pouvier is habitual in Uruguay, where it is quite a common surname, Argentina, where it is quite a rare surname, and Sweden. Measured by absolute frequency, it most frequently occurs in Latin America and the Caribbean, particularly Argentina, Colombia, and Uruguay. Much less frequently, Pouvier is the forename as well as the last name.