Look up interest in Wiktionary, the free dictionary.
Interest is payment from a borrower to a lender of an amount above repayment of the amount borrowed, at a particular rate.
Interest may also refer to:
- Interest (emotion), a feeling that causes attention to focus on an object, event, or process.
- Government interest, a concept in law that allows the government to regulate a given matter
- National interest, a country's goals and ambitions