Azariah Smith Root (February 3, 1862 – October 2, 1927) was an American librarian and educator.

Root returned to Oberlin College in 1890 as the library director and a professor of bibliography, positions he would hold until his death.

[1] During his tenure at Oberlin, Root became the premier spokesperson for college librarianship during his era.

[3] Root taught at Western Reserve University from 1904 to 1927 and served as acting principal of the New York Public Library School from 1916 to 1917.

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