Surname Декстер (Dexter 
, Dekster 
, Декстер 
) , in all the world, is a common family name. The family name Декстер is characteristic of Mauritius, where it is quite a rare surname, the United Kingdom, and Nicaragua. In absolute terms, it is commonest in the United States, the United Kingdom, and Indonesia. More prevalently, Декстер is the forename as well as the last name.