Massimo is the Italian form of the Latin Maximus and means "greatest" or "the greatest". It has long been a staple in Italy and is carried on in the United States by Italian-American families, with the same confident ring as Maximus and Maximo. Massimo climbed from number 2076 in 2000 into the US top 1000 in 2023, reached number 844 that year and ranks number 938 among boys' names in 2025.