Featured Authors
Authors

= Author On Tour
- Jenny Oliver
- Jimothy Oliver
- John Oliver
- Jonathan Oliver
- Juanbjuan Oliver
- Katie Oliver
- Lauren Oliver
- Leanna Oliver
- Mark Oliver
- Mary Oliver
- Neil Oliver
- Malcolm Olivers
- Guy Olivieri
- Grasya Oliyko
- Emily Olle
- Maggie Ollershaw
- Norman Ollestad
- Margarite Fernández Olmos
- Cynthia Olmstead
- Kathleen Olmstead
- Buster Olney
- Jonas Olofsson
- Dayo Olopade
- Corey Olsen
- Darcy Olsen
- Henry Olsen
- Shea Olsen
- Mark Olshaker
- Candice Olson
- Eugenie Olson
- Eugenie Seifer Olson
- Jessica S. Olson
- Kaitlin Olson
- Kayla Olson
- Neil Olson
- Norah Olson
- Steve Olson
- Ijeoma Oluo
- Jason Om
- Ao Omae
- Ilhan Omar
- Omarion
- Kristin Omarsdottir
- Aleema Omotoni
- Mark Onaba
- Prentice Onayemi
- ONeillJones
- Louisa Onomé
- Jay Onrait
- Katrina Onstad
- Rina Onur
- Ben Onwukwe
- Tochi Onyebuchi
- Amanda Held Opelt
- Weruche Opia
- Paul A. Opler
- Karen Oppatt
- Kenneth Oppel
- Shulamith Levey Oppenheim
- Jane Oppenheimer
- OpTic J
- Michelle Orange
- Danny Orbach
- Jani Orban
- Niamh Orbinski
- Iris Kerin Orbuch MD
- Baroness Orczy
- David Ordinas
- Rebecca Ore
- Peggy Orenstein
- Daniel Oreskes
- Margie Orford
- Roxane Orgill
- Oriah
- Aylam Orian