Marco Antonio Núñez Lozano (born 2 September 1966) is a Chilean politician. He was President of the Chamber of Deputies of Chile between 17 March 2015 and 22 March 2016. Núñez is member of the Party for Democracy and was a member of the Chamber of Deputies between 2006 and 2018.
Regarding a receipts scandal of parliamentarians Núñez stated that there were likely to be several politicians who should step down from office.[5] Later during his presidency of the Chamber of Deputies Núñez stated he wanted Chile to have one of the five most transparent parliaments worldwide.[6] Núñez was succeeded as President of the Chamber of Deputies by Osvaldo Andrade on 22 March 2016.[7] During the 2017 Chilean general election he ran as candidate for the Senate of Chile for constituency 6 Valparaíso, but was not elected.[8] His term in the Chamber of Deputies ended in 2018.[1]