Mariateresa Di Lascia (3 January 1954 – 10 September 1994) was an Italian politician and writer, activist, human rights' supporter and advocate of non-violence.

She coordinated the Survival 82 campaign, mobilising mayors in France, Belgium and Italy to support laws against hunger.

Di Lascia was an environmental activist, acting to remove and prevent nuclear power in Italy.

Di Lascia created a campaign to support victims of the war of the former Yugoslavia with Adriano Sofri in 1993.

Di Lascia was in favour of Hahnemannian homoeopathic medicine and in 1991 she founded the Homeopathic Patients Association (APO) as well as advocating for its legislation.