Attanasio is a surname. Notable people with the surname include: A. A. Attanasio (born 1951), American science fiction writer Antonio Attanasio (1950–1982), Italian swimmer Dino Attanasio (1925–2026), Italian-born Belgian comics writer and illustrator Gianluca Attanasio (born 1979), Italian composer, singer-songwriter and music producer Luca Attanasio (1977–2021), Italian diplomat Mark Attanasio (born 1957), American investment banker and owner of the Milwaukee Brewers Orazio Attanasio (born 1959), Italian economist Paul Attanasio (born 1959), American screenwriter and television producer