Horacio Nicolás Erpen Bariffo (born 29 August 1981, in Concepción del Uruguay) is an Argentine former football player who played in the role of winger.

Although he is originally from the Entre Ríos Province, he holds both Argentine and Italian citizenship.

[2] On 11 July 2011 Erpen reached a mutual agreement with Sorrento, his club at the time, to terminate his contract.

[3] After his experience with Juve Stabia, on 7 January 2013 he moved to Pro Vercelli.

[1][5] This biographical article related to an Argentine association football midfielder born in the 1980s is a stub.