Conical penguin by Jun Maekawa

Diagrams in Folding Australia 2005
Folded from a square of origami paper

Emperor penguin by David Llanque

Diagrams in Peru Convention 2010
Diagrams in Tanteidan 17th convention
Folded from a square of origami paper

Fairy penguin by Gareth Louis

Diagrams in BOS Magazine 333
Diagrams in The Paper Magazine 142

Penguin by Akiko Ishikawa

Diagrams in TinyShiny Origami Bird Book by Akiko Ishikawa
Folded from a square of origami paper

Penguin (4 variations) by Akira Yoshizawa

Diagrams in Antologia di Origami Animali by Akira Yoshizawa
Diagrams in Origami Tanteidan Magazine 92
Diagrams in Origami Museum 1: Animals by Akira Yoshizawa
Folded from a square of origami paper

Penguin by Alice Gray

Diagrams in BOS Convention 1981 Spring
Diagrams in Origami 4 by Robert Harbin
Diagrams in Origami USA Convention 1981
Diagrams in The Best of Annual Collections 1981-1995
Folded from a triangle of double-sided Unryu paper

Penguin by Eduardo Clemente

Diagrams in Papiroflexia by Eduardo Clemente
Folded from a square of origami paper

Penguin by Eric Joisel

Diagrams in Eric Joisel - Le Pli magazine by Eric Joisel
Diagrams in Le Pli 113-114
Diagrams in Le Pli 118-119-120
Diagrams in Le Pli Special 2014
Diagrams in MFPP 2009 Convention
Diagrams in Quadrato Magico Magazine 99
Wet-folded from a square of Canson art paper

Penguin by Fernando Gilgado Gomez

Diagrams in AEP convention 2011
Diagrams in Reference Fold 1 by Joshua Goutam
Diagrams in Tanteidan 17th convention
Folded from a square of origami paper

Penguin with baby by Francesco Miglionico

Diagrams in CDO convention 1995
Diagrams in Cutting Not Allowed - Vietato Tagliare - QQM 43 by Francesco Miglionico
Folded from a square of Duo Thai paper