The word economy can refer to any of several things:

• The "economy" of the world — see world economy
• The "economy" of a country — see economics and economic system
• Economy is financial soundness or affordability.
• Hydrogen economy
• Judicial economy
• Political economy
• Plutonium economy
• Economy (Eastern Orthodoxy) (a bishop's discretionary power to relax rules)
• Economy, Indiana
• Economy, Pennsylvania
• Economy is a chapter from Walden, by Henry David Thoreau. See Economy (Thoreau).
• Economy, Nova Scotia is an unincorporated community of about 200 in Martime Canada