Leonardis is a surname. Notable people with the surname include:
Giacomo Leonardis (1723 - 1797) Italian engraver and etcher Roberto de Leonardis (1913 - 1984), Italian film script translator, film dialogue writer and film lyricist Aleš Leonardis, Slovenian professor of computer and information science Savo Leonardis (1931 - 2016), Slovenian professor of electronics
See also
Leonardi