This is a list of librarians or people who have practised librarianship and are well-known, either for their contributions to the profession or in some other field.

• Friedrich Christian Accum
• Ada Adler
• Anastasius Bibliothecarius
• Maria Teresa Freyre de Andrade
• Guillaume Apollinaire
• Reinaldo Arenas
• Antoine Alexandre Barbier
• Ludwig Bechstein
• John J. Beckley
• Thomas Berger
• Sanford Berman
• James H. Billington
• Arna Bontemps
• Daniel J. Boorstin
• Jorge Luis Borges
• John Braine
• Wallace Breem
• Laura Bush
• Callimachus
• Reginald P. Carr
• Casanova
• Isaac Casaubon
• Exene Cervenka
• Joanna Cole
• Ina Coolbrith
• Gratia Countryman
• Charles Ammi Cutter
• John Cotton Dana
• Melvil Dewey
• Hal Draper
• Marcel Duchamp
• Donald J. Dunn
• Harriet Eddy
• Eratosthenes
• Luther H. Evans
• Johann Albert Fabricius
• Benjamin Franklin
• Thomas Gates
• Johann Matthias Gesner
• Kenneth MacLean Glazier, Sr.
• Edmund Gosse
• Jean Gosselin
• Ed Greenwood
• Jan Gruter
• Francis Hayman
• Edward Singleton Holden
• Yin Hsi
• David Hume
• Hypatia
• Thomas James
• Charles Coffin Jewett
• E.J. Josey
• Immanuel Kant
• Annette Curtis Klause
• Herman Kruk
• Henri la Fontaine
• Philip Larkin
• Pierre François le Courayer
• Gottfried Wilhelm von Leibniz
• Margaret Leiteritz
• Gotthold Ephraim Lessing
• Wilhelm Lexis
• Li Dazhao
• Audre Lorde
• Michael Lorenzen
• Seymour Lubetzky
• Archibald MacLeish
• Patrick Magruder
• John Silva Meehan
• Vicky Metcalf
• August Molinier
• Marianne Moore
• Daniel Mulhollan
• Ludovico Antonio Muratori
• L. Quincy Mumford
• Alan Noel Latimer Munby
• Bonnie Nardi
• Gabriel Naudé
• Andre Norton
• Christopher Okigbo
• Paul Otlet
• Major Owens
• Antonio Panizzi
• Coventry Patmore
• Nancy Pearl
• Heather Peek
• Benjamin Peirce
• Peter, count Griffenfeldt
• Charles Pickering
• John Pinfold
• Gary Price
• Philip Pullman
• Herbert Putnam
• Juliet Ralph
• S. R. Ranganathan
• Ismael Serageldin
• Ainsworth Rand Spofford
• John G. Stephenson
• Suetonius
• Friedrich Sylburg
• Elizabeth Taylor (novelist)
• Augustus H. Tulk
• Mao Tse-Tung
• Anne Tyler
• Lao Tzu
• Martyn Wade
• George Watterston
• Jessamyn West
• Charles Wilkins
• Angus Wilson
• Louis Round Wilson
• Justin Winsor
• John Russell Young