Red card may refer to:

• A penalty card that is shown in many sports after a rules infraction
• A suit (cards) of hearts or diamonds
• Red Card (album), 1976 release by Streetwalkers
• RedCard 20-03, 2002 extreme football video game
• Operation Red Card, 2006 Motion Picture Association anti-piracy drive in Asia
• American Express Red, credit card
• Target REDcard, a credit card issued by Target Corporation
• In capital punishment in Iraq, a legal notice that execution is imminent
• Industrial Workers of the World membership card
• For wildland fire suppression#Personnel, U.S. professional certification

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