Jolly Roger (1922 – July 3, 1948) was an American steeplechase racehorse whose outstanding career saw him inducted into the National Museum of Racing and Hall of Fame.

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Jolly Roger was a chestnut with 4 white stockings and a blaze. He was bred by his owner, Payne Whitney. Jolly Roger's sire was Pennant, whose sire was Hall of Fame inductee Peter Pan. Jolly Roger was trained by Vincent Powers.

Jolly Roger first raced on the flat racehorse but with only one win from ten starts was switched to jumps racing.

• Jolly Roger's pedigree and race info