Red card may refer to:
- a penalty card that is shown in many sports after a rules infraction
- Red card, a legal notice that execution is imminent, in Iraq
- Red card, membership in the Industrial Workers of the World labor union
- Red card, credentials issued to qualified wildland firefighters
- American Express Red, a credit card from American Express
- Red Card (Special forces unit), a fictional Japanese special operations unit
- Target REDcard, a credit card issued by Target Corporation
- RedCard (video game), a game released in 2002, based on an extreme version of football
