ユネスコ親善大使
Marianna Vardinogiannis (, "née" Μπουρνάκη "Bournaki") married to Greek shipping magnate Vardis Vardinogiannis, is a UNESCO Goodwill Ambassador and an activist for the rights of children and the family, and against child sexual abuse via her Foundation for the Child and the Family. She has been the President of the Elpida () Association of friends of children with cancer.