Harry Richardson Creswick (1902 – 14 October 1988) was a British librarian who was head of the university libraries at both Oxford and Cambridge.
Creswick was born in 1902 and educated at Queen Elizabeth's Grammar School, Barnet before studying at Trinity College, Cambridge.
In the following year, he moved to the University of Oxford as Deputy Librarian of the Bodleian Library.
In 1939 he held the Sandars Readership in Bibliography at Cambridge University lecturing on "Some recent work on early English printed books."
In 1945, he succeeded Edmund Craster as Bodley's Librarian (the head of the library); he was also a Fellow of Christ Church, Oxford.