Family name Доул (Dole 
, Доул 
, Douls ) , in the entire world, is a common cognomen. The last name Доул is habitual in Guam, where it is quite a common surname, Sri Lanka, and Guinea-Bissau, where it is quite a rare surname. In absolute terms, it is the most numerous in India, the United States, and Sri Lanka. Very seldom, Доул is the forename as well as the last name.