| Leo Perutz | Leo Perutz |
| Leo V | León V |
| Leo VI | León VI |
| Leo VII | León VII |
| Leo VIII | León VIII |
| Leo von Caprivi | Leo von Caprivi |
| Leo von Klenze | Leo von Klenze |
| Leo X | León X |
| Leo XI | León XI |
| Leo XII | León XII |
| Leo XIII | León XIII |
| Leon | León |
| Leon Battista Alberti | Leon Battista Alberti |
| Leon County | Condado de Leon |
| Leon Sedov | Leon Sedov |
| Leon Uris | Leon Uris |
| Leonard | Leonard |
| Leonard Adleman | Leonard Adleman |
| Leonard Bernstein | Leonard Bernstein |
| Leonard Bloomfield | Leonard Bloomfield |
| Leonard Cohen | Leonard Cohen |
| Leonard Nimoy | Leonard Nimoy |
| Leonard Woolf | Leonard Woolf |
| Leonardo | Leonardo |
| Leonardo Bruni | Leonardo Bruni |
| Leonardo da Vinci | Leonardo da Vinci |
| Leonardo DiCaprio | Leonardo DiCaprio |
| Leonardo Fibonacci | Leonardo de Pisa |
| Leonberger | Leonberger |
| Leone | Leone |
| Leonel Fernández | Leonel Fernández Reyna |
| Leonel Sánchez | Leonel Sánchez |
| Leonhard Euler | Leonhard Euler |
| Leonhart Fuchs | Leonhart Fuchs |
| Leonid Andrejev | Leónidas Andreiev |
| Leonid Brezjnev | Leonid Brézhnev |
| Leonid Hurwicz | Leonid Hurwicz |
| Leonid Kutjma | Leonid Kuchma |
| Leonidas I | Leónidas I |
| Leoniderna | Leónidas |
| Leonor av Spanien | Leonor de Borbón |
| Leonor Varela | Leonor Varela |
| Leontief-paradoxen | Paradoja de Leontief |
| Leontini | Leontino |
| Leontios | Leoncio |
| leopard | leopardo |
| Leopardgecko | Eublepharis macularius |
| Leopardus | Leopardus |
| Leopold | Leopold de Anhalt-Cöthen |
| Leopold av Albany | Leopoldo de Sajonia-Coburgo-Gotha |
| Leopold av Baden | Leopold de Anhalt-Cöthen |
| Leopold av Hohenzollern-Sigmaringen | Leopold de Anhalt-Cöthen |
