In the entire world, والف (Valva 
, Valve 
, Walf ) is a rare epicene first name. The forename والف is characteristic of Estonia, where it is a rare feminine name, Algeria, where it is a very rare boy's name, and Italy, where it is a very rare largely feminine, but infrequently boy's name. Measured by absolute frequency, this name is the most popular in India, Italy, and Algeria. More prevalently, والف is the last name as well as the forename.