Richard IV may refer to:
- Richard IV of England (Blackadder), fictional character in TV series Blackadder
- Perkin Warbeck, pretender to the English throne
- Richard of Shrewsbury, 1st Duke of York, impersonated by Warbeck, and whom the Blackadder character was very loosely based on
- Richard IV, fictional character in TV programme The Palace
- Richard de la Pole, the Yorkist pretender, declared king of England by Louis of France in 1513.
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