Cognomen Хаган (Hagan 
, Хаган) , around the world, is a common last name. The cognomen Хаган is characteristic of Ghana, where it is quite a common surname, Ireland, and the United States, where it is quite a rare surname. In absolute terms, it is commonest in the United States, Ghana, and the United Kingdom. Much less frequently, Хаган is the forename as well as the last name.