 Catthulhu, Caroline Jamhour |  Celephais, Daniel Lieske |  The Cephalopod, André Pinheiros |  Chamber of Fertility, Dariusz Kieliszek |  Chaos of Cthulhu, Daryl Toh Liem Zhan |
 Chaos of Cthulhu Prologue Comic 01, Daryl Toh Liem Zhan |  Chaos Utility Room, Håckan Ackegård |  Chaugnar Faugn, Mike Moore |  Chaugnar Faugn, Wayne Reynolds |  Cheesecake Cthulhu, Lorraine Schleter |
 The Chess game Between Cthulhu and Ghatanothoa, DaBotz |  Chethulhu, Apocalyptopia |  Chibi Cthulhu, autor desconocido |  Chibi Cthulhu 2, autor desconocido |  Chibi Cthulhu Fhtagn, Håckan Ackegård |
 Child of Innsmouth, Trissa E. Staley |  Child of the Old Gods, Pavel Maksymenko |  Childhood, Chet Phillips |  Children of Cthulhu, Mike Dubisch |  Chlothulhu, jollyjack |
 Choko's Cthulhu, Abel Pajares |  Christmas Cthulhu, Jonna Pillti |  Christmas Cthulhu Lovecraft, Elena Bandos y Dani Héllez |  Christmas for Cthulhu, Les Edwards |  Christmas with Lovecraft and Friends, Nelson Evergreen |