John Nichols Berry III (June 12, 1933 – October 12, 2020) was an American librarian who was an editor at Library Journal for over fifty years.

[1] He retired in 2006, but continued to write his column Blatant Berry, in which he advocated for progressive library values.

[2] Berry received the American Library Association Joseph W. Lippincott Award for distinguished service to librarianship.

The tribute, "Remembering John N. Berry III", which appeared in Library Journal after his death includes many accolades for his writing, mentoring, and teaching.

[7] A few citations from his many writings are listed below: Berry captured the changes in policies and practices of U.S. libraries as they moved from paper to digital.