Refund may refer to:
Product return, a process in which a consumer returns a product to the original retailer in exchange for money previously paid
Money back guarantee – a guarantee that, if a buyer is not satisfied with a product or service, a refund will be made.
Tax refund – refund on taxes when the tax liability is less than the taxes paid.
Refunding – when a debt holders calls back bonds with the express purpose of reissuing new debt.
Deposit-refund system – a surcharge on a product when purchased and a rebate when it is returned.
Tax-free shopping – allows shoppers to get a refund of any sales tax.