The surname Leo may refer to: Angelo Leo, American boxer Daniel Leo, American organized crime figure Daniel Leo, Samoan rugby player Edoardo Leo, Italian actor, director and screenwriter Efraim Leo, Swedish singer and songwriter Friedrich Leo, German classical philologist Henning Leo, Swedish politician Juliusz Leo, Polish politician Leo KoGuan, Chinese American businessman Leonard Leo, American lawyer Leonardo Leo, Neapolitan composer Matt Leo, Australian-American football player Melissa Leo, American actress Paul Leo, German Lutheran pastor and theologian Ted Leo, American musician. Wikipedia