EFA may refer to:
In law:
- Elder Financial Abuse a term describing a criminal act against seniors and other dependents.
In organizations:
- Education Funding Agency, England
- Egyptian Football Association, the governing body of association football in Egypt
- Electronic Frontiers Australia, an Australian NGO
- Environmental Foundation for Africa, an African environmental NGO
- Equestrian Federation of Australia, the governing body for equestrian sports in Australia
- Equity for Africa, an English charitable Trust
- Estonian Football Association, the governing body of association football in Estonia
- Eton Fives Association, the governing body for Eton Fives in England
- European Film Academy, an entity promoting European film culture
- European Festivals Association, the umbrella organisation for arts festivals in Europe and beyond.
- Eyes For Africa Charity, an organisation facilitating no-cost ophthalmic surgery for people living in regional Ethiopia
In politics:
- European Free Alliance, a grouping of European political parties
- Education For All, an initiative by the UNESCO
- Expedited Funds Availability Act, a U.S government act
In schools:
- École française d'Athènes (really EfA), a French Archaeological Institute in Athens
- Elmira Free Academy, a high school in upstate New York.
In science:
- Elementary function arithmetic, a weak system of arithmetic
- end-fire array, antenna array in electro-dynamics
- Essential Fatty Acid, a type of fatty acid
- Exploratory Factor Analysis, a statistical method to uncover relationships between variables.
In military:
- Engin de franchissement de l'avant, a kind of mobile bridge used by the French military
- European Fighter Aircraft, an early designation for what was to become the Eurofighter
In finance:
- iShares MSCI EAFE Index, an exchange-traded fund with ticker symbol EFA
- European Financial Advisor, a professional finance certification by the European Financial Planning Association (EFPA)