IGA or IgA may refer to:
IGA is a U.S. brand of grocery stores that operates in more than 30 countries. Unlike the chain store business model, IGA operates as a franchise through stores that are owned separately from the brand. Many of these stores operate in small town markets and belong to families that manage them. It was founded in the United States as the Independent Grocers Alliance. The headquarters is in Chicago, Illinois.
IGA (Australian supermarket group)
Independent Grocers of Australia (IGA) is a chain of supermarkets in Australia. IGA itself is owned by Metcash, but individual IGA stores are independently owned. It is the local variant of the international American-based Independent Grocers Association. Its main competitors are Woolworths, Coles, Aldi, Foodworks, Friendly Grocer and formerly Bi-Lo.
IGA has over 5,000 stores in over 30 countries. IGA was brought to Australia by Davids Holdings in 1988 when 10 stores became members of IGA. There are over 1400 IGA stores in Australia.
Iga formicina is a species of beetle in the family Carabidae, the only species in the genus Iga.