 Only Apparently Real, autor desconocido |  Ooops wrong book, Benjamin Ahlman |  Opener of the Way, autor desconocido |  The opener of the way, Tais Teng |  Order of Dagon, Mihail Glooh |
 Orient Express sketch, Jason Thompson |  Oscura biblioteca de la mente (Mitos de Fuenlabrada), Pablo Uría |  Other Gods, M. Wayne Miller |  Otus - Riti Oculti, Fabio Listrani |  Our Dark Lord And Saviour, Marcus Norén |
 Out of the Aeons, Beata Kurkul |  Outrageously Lovecraftian, Martin Koza |  Over the Miskatonic, Annie Owens |  Over the Rooftops, Russell Smeaton (Tikirussy) |  Owner, Henning Ludvigsen |
 Pantalla de Cultos Innombrables, Javier Charro |  Pax Cthuliana, Joseph Díaz |  Pearson, Stephen C. Gilberts |  A peewee, Douzen |  Penguins of Leng, Tanja Wooten |
 Perdue, Vincent Devault |  Periwinkle, Michael Whelan |  Periwinkle concept, Michael Whelan |  Perro de Tíndalos, A.J. Manzanedo |  Perros de Tindalos, Jagoba Lekuona Huegun |