Arnoldo Mondadori (2 November 1889 – 8 June 1971) was a noted Italian publisher.

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Mondadori was born in Poggio Rusco, Mantua in 1889.

His publishing house Arnoldo Mondadori Editore was founded in 1907 and is today the largest in Italy.^[1] After the First World War, Mondadori launched several successful book series including Gialli Mondadori in 1929, the first example of an Italian book series dedicated to detective and crime novels.^[2] In 1935, through an agreement with Walt Disney, the publishing house began the publication of a children's magazines based on Disney comics characters, which ran until 1988, when the agreement between Mondadori and the Walt Disney Company ended.^[3]

He died in Milan in 1971.