Hagan is a term that can refer to various subjects, including a surname, a place, or a brand. One notable example is Hagan, a city located in North Dakota, known for its small-town charm and agricultural community. In addition to geographical references, Hagan can also be associated with individuals, such as Hagan, a common surname in many cultures. People with this surname may have made contributions in various fields, including sports, arts, and politics.