Last name Данкан (Duncan 
, Dankan 
, Dunkan 
) , in the entire world, is a widespread cognomen. The last name Данкан is characteristic of Latin America and the Caribbean, particularly Grenada, where it is a common surname, Saint Vincent and the Grenadines, and Jamaica (explore the name in all countries). In absolute terms, the name is most common in the United States, the United Kingdom, and Australia. Also, Данкан is the forename as well as the last name.