Agin (plural Agins)
- A surname.
- According to the 2010 United States Census, Agin is the 23978th most common surname in the United States, belonging to 1052 individuals. Agin is most common among White (89.07%) individuals.
- Agni, Angi, Gain, Gina, NGIA, Nagi, Ngai, a- -ing, gain, gain-, gina, inga