Cognomen ולדון (Weldon 
, ולדון 
) , across the world, is a common family name. The surname ולדון is characteristic of Ireland, where it is quite a common surname, the United States, where it is quite a rare surname, and Kenya. In absolute terms, it most frequently occurs in the United States, Kenya, and the United Kingdom. Also, ולדון is the forename as well as the last name.