Endorsement (alternatively spelled "indorsement") may refer to a:
testimonial, a written or spoken statement promoting or advertising a product political endorsement, publicly declaring support for a candidate form added to an insurance policy, to modify its terms signature on a negotiable instrument, such as a check blank endorsement, a signature given without indicating the instrument's payee note added to a driver's license, often to record a traffic offense
See also Endorsement test, the separation between state and religion as tested by the United States Supreme Court Forged endorsement, a legal description of forged endorsement