Mario Marazziti (born 24 April 1952 in Rome) is an Italian journalist, executive, and politician.

Currently a deputy in the Italian parliament, he is also an executive at RAI, an opinion writer at Corriere della Sera, and a representative of the Community of Sant'Egidio.

He was part of the student group which founded the Community of Sant'Egidio in 1968, becoming one of the leaders of their movement against the death penalty.

[1][2] Elected initially in 2012 to a lower house of parliament, he has continued to serve with a focus on a human rights issues since then.

He formally left the Corrente Popolare on 10 September of that year along with several other party members to join the group Per l'Italia.