Stay Thirsty (foaled on 29 March 2008) is an American Thoroughbred racehorse sired by the leading stallion Bernardini.

Stay Thirsty was consigned as lot 1147 by Glenwood Farm to the 2009 Keeneland September yearling auction[1] and was bought for $160,000 by Whitehorse Stables.

[4] Stay Thirsty also placed in the Three Chimneys Hopeful Stakes on September 6, 2010, losing by 3/4 of a length to Boys At Tosconova.

[12] In July, Stay Thirsty finished fifth out of seven horses in the Grade II Suburban Handicap, having exited the starting gate poorly.

[14] He was retired after his four-year-old season and now stands at Ashford Stud, the American arm of the Irish breeding giant Coolmore near Versailles, Kentucky.

His dam is Grade I winner Cara Rafaela (Quiet American – Oil Fable), who accrued $884,452 in her racing career.

Stay Thirsty was her eighth foal, and she also produced the graded stakes winners Andromeda's Hero and Superfly, by Fusaichi Pegasus.