Mariano Peluffo (born April 1, 1971 in Buenos Aires) is an Argentine television presenter.
He began his career as a producer in El Agujerito Sin Fin, a children's programme of Canal 13 in the 90s with Julián Weich.
His most famous work was in the Gran Hermano's programmes (Big Brothers) (two in 2001 and one in 2002/2003).
Between 2003 and 2007, Peluffo worked in Zoobichos, Sentà el Verano and Vamos a Ganar.
On January 9, 2007 he returned to Gran Hermano with the fourth edition and during 2007, Peluffo worked in two more Gran Hermanos (Big Brothers); Gran Hermano Famosos (Big Brother Celebrities) and Gran Hermano 5 (Big Brother 5).