Loredana De Petris (born 24 November 1957) is an Italian politician and senator for four legislatures.

De Petris began her political career in the 1980s joining Proletarian Democracy and has been active in the anti-nuclear and environmentalist movement,[1] organizing the referendum against nuclear power, hunting and the use of pesticides in agriculture.

In 1995 she was appointed Councilor for Environmental Policies by the Mayor Francesco Rutelli with the addition of the delegations to agricultural policies, the Centopiazze Office and the Office for the prevention of atmospheric pollution and civil protection.

In 2005 she assumed the role of Councilor for the Environment for the Province of Rome and served as well on the promoting committee for referendums on assisted fertilization.

In the political elections of 2018 she was re-elected Senator with the left-wing coalition of Free and Equal[4] and is confirmed president of the Mixed Group.