Aicardi is a surname. Notable people with the surname include:
Giovanni Battista Visconti Aicardi (1644–1713), Roman Catholic Bishop of Novara Cristina Aicardi (born 1986), Peruvian badminton player Giorgio Matteo Aicardi (1891–1984), Italian painter and illustrator Jean Aicardi (1926–2015), French neurologist Jérémy Aicardi (born 1988), French rugby sevens player Matteo Aicardi (born 1986), Italian water polo player Beatriz H. C. Aicardi de Neuhaus, Argentine human rights activist, co-founder of the Grandmothers Association of Plaza de Mayo