Alessandra Carina Mastronardi is an Italian actress. She is best known for her roles in the films To Rome with Love and The Unbearable Weight of Massive Talent, and the television series Master of None, for which she garnered a nomination for the Critics' Choice Television Award for Best Supporting Actress in a Comedy Series in 2017.

Lost in Florence is a 2017 romantic drama film written and directed by Evan Oppenheimer and starring Brett Dalton, Alessandra Mastronardi, Alessandro Preziosi and Stana Katic.