David Roy Shackleton Bailey FBA (10 December 1917 – 28 November 2005) was a British scholar of Latin literature (particularly in the field of textual criticism) who spent his academic life teaching at the University of Cambridge, the University of Michigan, and Harvard. He is best known for his work on Horace (establishing all his oeuvre for Teubner's publishing house), and Cicero, especially his commentaries and translations of Cicero's letters.