Luis G. Abbadie (born August 13, 1968) is a Mexican writer specializing in horror, paganism, pseudobibliographies and paramythologies, including horror and fantasy short stories. He has contributed frequently to the Cthulhu Mythos. He has coordinated workshops and given courses on these topics. He has been a recipient of grants from the Fondo Estatal para la Cultura y las Artes de Jalisco (Jalisco State Fund for Culture and the Arts; 1999–2000). He has collaborated on anthologies and magazines in Spain, France, Argentina, and North America.