Sin Nombre

Sin Nombre (Spanish for 'without name') may refer to:


 * A placeholder name in Spanish
 * Sin Nombre orthohantavirus, the prototypical etiologic agent of hantavirus cardiopulmonary syndrome (HCPS)
 * Sin nombre (film), a 2009 film by Cary Joji Fukunaga
 * The Nameless (film), a 1999 film also known in Spanish as Los Sin Nombre