Oscar Domingo Peppo (born 6 July 1958) is an Argentine politician. He has been elected governor of the Chaco Province in 2015 with 55.42% of votes. In the early 1980's, he received a degree in construction, hydraulic and civil in Resistencia and later worked as technical representative and general coordinator of the silo plants for a company. He also previously served as mayor of Villa Ángela.