Emilia Rensi (1901 – 23 April 1990) was an Italian philosopher, free thinker, writer and teacher. She wrote for anarchist and progressive magazines, such as Flavia Steno's La Chiosa, Volontà (1960s), Umanità Nova (1960s) and Franco Leggio's Sicilia Libertaria (1980s). She began publishing books on social, cultural and ethical subjects from the late 1960s onwards.