Authors & Illustrators
- Chris Packham
- Clara Padovani
- Gigi Padovani
- Sidney Paget
- Emanuela Pagliari
- Thomas Paine
- Lorena Valentina Pajalunga
- Yauhen Paleski
- George Herbert Palmer
- Sharon Palmer
- Bruce Pandolfini
- Marisa Ranieri Panetta
- Alice Pantermüller
- Niké Papadopulosová
- Luca Paparelli
- Jenna Parde
- Kimma Parish
- Katherine Parker
- Marjorie Blain Parker
- Aaron Parrett
- Jo Parry
- Prasannan Parthasarathi
- Daron Parton
- Rod Paschall
- Lady Passion
- Annie Patterson
- Tracey Patterson
- S. Mike Pavelec
- Michael F. Pavkovic
- Trip Payne
- Matthew Peacock
- Rob Pearson
- H. Daniel Peck
- Stephanie Pedersen
- Shaheen Peerbhai
- Michael J. Pellowski
- Dan Pelosi
- Martina Peluso
- Randy Penn
- Mara Penny
- Ben Pentreath
- Cristina Peraboni
- Elena Percivaldi
- Diego Jourdan Pereira
- Shimon Peres
- Angie Alape Perez
- Leonardo Pereznieto
- Rachel Perkins
- Erica S. Perl
- Charles Perrault
- Gina Perry
- Imani Perry
- Elizabeth Tehle Peters
- F. H. Peters
- Doug Peterson
- Margaret Peterson
- Gwenaël Petiot
- Fabio Petroni
- Wendy Pfeffer
- Dave Phillips
- Julianna Photopoulos
- Caroline Picard
- T. Pickering Pick
- Clifford A. Pickover
- Wade E. Pickren
- Nature Picture Library
- Nick Pierce
- Parvati Pillai
- John Pimlott
- Darryl Pinckney
- Jim Pipe
- Chiara Piroddi
- Anette Pirso
- Jan Pisala
- Fred Piscop
- William Garrett Piston
- Eric Plaag
- David Plante
- Plato
- Michael C. Platt
- Plutarch
- Arthur Pober
- Edgar Allan Poe
- Luca Poli
- Rachel Pollack
- Lara Pollero
- Marco Polo
- Katie Ponder
- Glenn Pontier
- Kate Pope