A rider can refer to:

• Rider, an additional provision attached to a bill under the consideration of a legislative assembly
• An amendment or addition to an entertainer's performance or appearance contract, covering a performer's equipment, meal, drink, and general comfort requirements. It may also include certain demands such as not being asked questions particular to a topic the entertainer does not wish to discuss.
• Riding a horse
• A cyclist riding a bicycle, or a passenger (usually) of any other vehicle
• A soldier generally riding a motor cycle whose duty is to safely collect and deposit reports and information files from one location to another. The full designation is Dispatch Rider.
• Rider (Fate/Stay Night). An anime character from the Japanese visual novel and anime series Fate/Stay Night by TYPE-MOON.
• Rider University, a United States institution for higher education.
• Rider a British boyband

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