Casiraghi is an Italian surname. Notable people with the surname include:
Andrea Casiraghi (born 1984), fourth in line to the Monegasque throne after his mother, Caroline, Princess of Hanover Charlotte Casiraghi (born 1986), eleventh in line to the Monegasque throne after his mother, Caroline, Princess of Hanover Cinzia Casiraghi, an Italian physicist who won the Sofia Kovalevskaya Award Daniele Casiraghi, Italian footballer Sister Leonarda Angela Casiraghi, recipient of the Padma Shri Awards Pierluigi Casiraghi, (born 1969), Italian football player Pierre Casiraghi (born 1987), eighth in line to the Monegasque throne after his mother, Caroline, Princess of Hanover Rosagnese Casiraghi, mayor of Missaglia Stefano Casiraghi (1960–1990), second husband of Caroline, Princess of Hanover
Fictional characters: Signor Casiraghi, character in "Il mediatore" Camila Casiraghi, character in Juegos de fuego portrayed by Alejandra Fosalba