Jeffrey R. Di Leo, Dean of the School of Arts and Sciences and Professor of English and Philosophy at the University of Houston–Victoria
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Fernando Di Leo (1932–2003), Italian film director and script writer
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Gregorio Di Leo (born 1983), Italian professional Semi-contact kickboxer and member of the Italian National Team
Leo Tolstoy | Pope Leo XIII | Leo Gorcey | Leo Burnett | Leo Brouwer | Leo VI the Wise | Leo | Pope Leo X | Leo Durocher | Wadada Leo Smith | Ted Leo | Pope Leo I | Pope Leo IX | Melissa Leo | Leo Carrillo | Ted Leo and the Pharmacists | Leo Castelli | Leo Burnett Worldwide | San Leo | Leo Strauss | Leo Marks | Leo Laporte | Léo Ferré | Leó Szilárd | Leo Slezak | Leo Frobenius | Leo Cárdenas | Pope Leo XII | Leonardo Leo | Leo Fall |
Gregorio Di Leo has been the one of European athlete capable of winning a team competition in the United States, together with Roberto Bellotti (Amerikick International, Atlantic City, 2005) and he is the only European athlete that has been able to win a race in Central America(Guatemala City, Great Maya Challenge, 2006).