Deputed Testamony (May 7, 1980 – September 18, 2012) was an American Thoroughbred racehorse best known for winning the Classic Preakness Stakes. Deputed Testamony is the last of eight Maryland-breds to win the Preakness Stakes and is one of only eleven colts from the state to win a Triple Crown race. Upon the death of Danzig Connection in 2010, he became the last living thoroughbred to win a Triple Crown race during the decade of the 1980s. Deputed Testamony died on September 18, 2012, aged 32.