Cognomen Дигби (Digby 
, Дигби) , across the world, is quite a rare last name. The cognomen Дигби is characteristic of Reunion, where it is quite a common surname, Australia, where it is quite a rare surname, and the United Kingdom. In absolute terms, it most frequently occurs in the United Kingdom, the United States, and Australia. Much less frequently, Дигби is the forename as well as the last name.