Leonel Moreira 🌍 Costa Rica Leonel Sanchez 🌍 Chile Leonel Suarez 🌍 Cuba Leonel Vangioni 🌍 Argentina Leonhard Euler 🌍 Old Swiss Confederacy, Russian Empire, Kingdom of Prussia Leonhard Frank 🌍 Germany Leonhard Kaupisch 🌍 Germany Leonhard Seppala 🌍 Norway, United States Leonhard Stejneger 🌍 Norway, United States Leonhard Stock 🌍 Austria Leonhart Fuchs 🌍 Holy Roman Empire Leonid Abalkin 🌍 Soviet Union, Russia Leonid Agutin 🌍 Russia, Soviet Union Leonid Andreyev 🌍 Russian Empire Leonid Boguslavsky 🌍 Soviet Union, Russia, Canada Leonid Bronevoy 🌍 Soviet Union, Russia Leonid Buryak 🌍 Soviet Union, Ukraine Leonid Bykov 🌍 Soviet Union Leonid Chernovetskyi 🌍 Soviet Union, Ukraine, Israel Leonid Fedun 🌍 Soviet Union, Russia, Cyprus Leonid Filatov 🌍 Soviet Union, Russia Leonid Gaidai 🌍 Soviet Union, Russia Leonid Govorov 🌍 Russian Empire, Soviet Union Leonid Hurwicz 🌍 United States, Poland Leonid Ivashov 🌍 Soviet Union, Russia Leonid Kadenyuk 🌍 Soviet Union, Ukraine Leonid Kanevsky 🌍 Russia, Israel, Soviet Union Leonid Kantorovich 🌍 Soviet Union Leonid Khabarov 🌍 Russia, Soviet Union Leonid Kinskey 🌍 Russian Empire, United States Leonid Kizim 🌍 Ukrainian Soviet Socialist Republic, Russia Leonid Kogan 🌍 Soviet Union Leonid Krasin 🌍 Russian Empire, Soviet Union Leonid Kravchuk 🌍 Soviet Union, Ukraine, Poland Leonid Kuchma 🌍 Soviet Union, Ukraine Leonid Kuravlyov 🌍 Soviet Union, Russia Leonid Leonidov 🌍 Russian Empire, Soviet Union Leonid Leonov 🌍 Soviet Union, Russian Empire, Russia Leonid Levin 🌍 United States, Soviet Union Leonid Mandelstam 🌍 Russian Empire, Soviet Union Leonid Mikhelson 🌍 Soviet Union, Russia Leonid Ostrovski 🌍 Soviet Union Leonid Osyka 🌍 Soviet Union, Ukraine Leonid Pasechnik 🌍 Soviet Union, Ukraine, Russia Leonid Pasternak 🌍 Russian Empire, Soviet Union, Russia Leonid Popov 🌍 Soviet Union, Ukraine, Russia Leonid Potapov 🌍 Soviet Union, Russia Leonid Rogozov 🌍 Soviet Union, Russia Leonid Saar 🌍 Estonia, United States, Canada, Sweden Leonid Sedov 🌍 Russian Empire, Soviet Union, Russia Leonid Shamkovich 🌍 United States, Soviet Union Leonid Shvartsman 🌍 Soviet Union, Russia Leonid Spirin 🌍 Soviet Union Leonid Stadnyk 🌍 Ukraine, Soviet Union Leonid Stein 🌍 Soviet Union Leonid Tibilov 🌍 Soviet Union, South Ossetia Leonid Trauberg 🌍 Soviet Union Leonid Utesov 🌍 Russian Empire, Soviet Union Leonid Zhabotinsky 🌍 Russia, Soviet Union Leonidas Alaoglu 🌍 Canada