Authors & Illustrators
- Patricia Mercier
- Amy Leigh Mercree
- Chad Mercree
- Catherine Metzmeyer
- E. Nicole Meyer
- Susan Lynn Meyer
- Jeffrey Meyers
- Sibylline Meynet
- Stase Michaels
- Stephen G. Michaud
- Jordan Michelman
- Shanna Miles
- John Stuart Mill
- Arthur Miller
- Caroline Adams Miller
- Gustavus Hindman Miller
- Jeff Miller
- Myron Miller
- Ron Miller
- Sara Miller
- A. A. Milne
- Alexandra Milton
- Giles Milton
- Ashley Mims
- Marcin Minor
- Robert S. Miola
- Paul Mirecki
- Krista N. Mitchell
- Martha Mitchell
- A.B. Mitford
- Effie Mitrofanis
- Tetsuya Miyamoto
- Sharon Moalem
- Giovanna Moldenhauer
- Anna Molinari
- L.M. Montgomery
- Lucy Maud Montgomery
- Clement C. Moore
- Gerry Moore
- Grace Moore
- Kathryn Moore
- Teresa Moorey
- Roman Garcia Mora
- Mark Moran
- Paul Moran
- Marisa Morea
- Gianni Morelli
- Andrea Moresco
- Margaret Morgan
- Jacqueline Morley
- Hayley Morris
- Julie Morris
- Frank Morrison
- Doug Moss
- Anastasia Mostacci
- Veruska Motta
- Roberto Mottadelli
- Karl James Mountford
- Mrs. & Mr. MacLeod
- Olivia Chin Mueller
- Prentice Mulford
- Rachel Coler Mulholland
- Colleen Mullaney
- Jason Mullett-Bowlsby
- Shannon Mullett-Bowlsby
- Susan Mumford
- Isabel Munoz
- Bruce F. Murphy
- Emily Bain Murphy
- Joseph Murray
- Miyamoto Musashi
- American Museum of Natural History
- Helen Musselwhite
- Eva Muszynski
- Sara Muzio
- Norah Myers
- Robert Myers