Delia Vaccarello (7 October 1960 - 27 September 2019) was an Italian journalist and writer, as well as an activist for LGBT rights. She conducted lectures regarding journalism in Bologna and Urbino, and edited columns in the national periodical press related to anti-discrimination issues. A self-declared lesbian, in 2005, she collaborated on a project in the municipality of Venice for citizen education regarding homophobia. For Arnoldo Mondadori Editore, she curated a multi-volume anthology on love between women, the Principesse azzurre ("Blue Princesses").