 Chthonians, Kurai Sawada |  Chtonian, Edoardo (Salvej) Campagnolo |  Chtulhu, Alexey Grishin |  La ciénaga de Cthulhu, Guillermo de la Peña |  Cities in Ruin, Cristi Balanescu |
 City of the Great Race, Julian Kok |  City Quiet as Death, Jon Foster |  Clash of the Old Gods, Fuacka |  Club, Inkplasm |  Cluethulhu, Chris Toumanian |
 Colin the Elder Thing, Scott Purdy |  Collateral - Cthulhu Corp., Mark Patten |  The Color Out of Space, Oliver Altair |  The Colour out of Cyber-Space, Timothy Lim y Mark Pellegrini |  Colour out of Space, Travis Anthony |
 The Colour Out of Space, Bryan Baugh |  Colour out of space, Carlos Eulefi |  The Colour out of Space cover, Rowena Morrill |  The Colour... it Burns..., David García Forés |  Comdemned Theater, Tim Yi |
 Coming of Azathoth, Richard Luong |  The Coming of Cthulhu, Carlos Valenzuela |  Commonplace Book, Krum |  Concept Lovecraft-ian Eldritch god-Thing, James D. Wyrick |  Confrontation, Christian Scharfenberg |