Family name Nerv (Nervo 
, Nerf 
, Nerv 
) , throughout the world, is quite a rare last name. The last name Nerv is characteristic of Monaco, where it is quite a common surname, Croatia, where it is quite a rare surname, and Italy, where it is a rare surname. Measured by absolute frequency, it is the most numerous in Italy, Brazil, and Argentina. Much less frequently, Nerv is the forename as well as the last name.