Valyra (3 May 2009 – 29 August 2012) was a British–bred, French-trained Thoroughbred racehorse owned by HH Aga Khan IV and trained by Jean-Claude Rouget.

Her dam, Valima, won the Listed Prix Imprudence and is a daughter of Poule d'Essai des Poulains winner Linamix.

Jockey Johnny Murtagh settled Valyra near the rear of the 12-runner field in the early stages of the race.

She quickened with 2 furlongs left to run and challenged the leader, Beauty Parlour, with 150 yards remaining.

[3] Her trainer Jean-Claude Rouget said "It is a terrible accident and a great loss for His Highness the Aga Khan and our stable.