See also: agan
- As an Irish surname, probably a spelling variant of Egan.
- As a Swiss (Alemannic German) surname, Americanized from Eggen.
Agan (plural Agans)
- A surname.
- According to the 2010 United States Census, Agan is the 12812nd most common surname in the United States, belonging to 2407 individuals. Agan is most common among White (87.79%) individuals.
- Hanks, Patrick, editor (2003) , “Agan”, in Dictionary of American Family Names, New York City: Oxford University Press, →ISBN