Edith Diehl (May 21, 1876 – May 12, 1953) was an American bookbinder and author of Bookbinding, its Background and Technique (Rinehart and Co., 1946), a classic text and manual on the history and craft of bookbinding in two volumes (republished in editions by Kennicat Press, 1965; Hacker Art Books, 1979; Dover, 1980). In 1947, in recognition of her accomplishments, Diehl was made an Honorary Life Member of the Guild of Book Workers.