Family name フラナガン (Flanagan 
, フラナガン 
) , throughout the world, is a common cognomen. The cognomen フラナガン is habitual in Ireland, where it is a common surname, Australia, where it is quite a common surname, and Isle of Man (explore the name in all countries). Not in comparison with a country's population, the name is most common in the United States, the United Kingdom, and Ireland.