Charles Louis Perceval de Loriol (24 July 1828, Geneva – 23 December 1908, Cologny) was a Swiss paleontologist and stratigraphist.
He studied natural sciences and paleontology in Geneva as a pupil of François-Jules Pictet.
For a period of time, he worked as an estate manager in Geneva and Lorraine, then for nearly forty years was associated with the Natural History Museum of Geneva.
In 1902 he received an honorary doctorate from the University of GenevaHe is remembered for his investigations of fossil echinoderms found in Europe and North Africa from the Jurassic, Cretaceous and Upper Tertiary Eras.
He was the author of numerous taxa, an example being the crinoid family Bourgueticrinidae (1882).