Santiago Caruso (born 1982) is an Argentine symbolist painter.
Caruso is the author of Materia Oscura, an artbook containing a selection of his works over a 15-year period. He illustrated Neil Gaiman's Invocations and two modern editions of Alejandra Pizarnik<nowiki/>'s La Condesa Sangrienta (2010) and El eco de mis muertes (2012). He also illustrated a 2011 edition of Ambrose Bierce's The Monk and the Hangman's Daughter, as well as modern editions of H.P. Lovecraft's The Dunwich Horror and Robert William Chambers' The King in Yellow.