Cristian Devallis (born August 25, 1983 in Rio Segundo, Argentina) is an Argentine footballer currently playing for Olympiakos Volou 1937 F.C. in Greece 
Cristian Javier Devallis firsty played for Talleres de Córdoba. In 2004 he moved to Almagro. In 2005 he returned to Talleres de Córdoba. Later, he moved to Gimnasia y Esgrima de Jujuy but one year later he returned again to Talleres de Córdoba. In 2007 he moved to Racing de Córdoba. In 2008 he moved to 9 de Julio de Rafaela and in 2009 to Santiago Wanderers. Later, he moved to Patronato de Paraná. In 2011 he moved to Boca Unidos.
Olympiakos Volou 1937 F.C.
In summer 2012 he moved to Olympiakos Volou 1937 F.C.. In winter of the same year he was released by the club.