Jan Jonsson 🌍 Sweden Jan Kadar 🌍 Hungary, Czechoslovakia Jan Karol Chodkiewicz 🌍 Polish–Lithuanian Commonwealth Jan Karski 🌍 Poland, United States Jan Kasprowicz 🌍 Poland Jan Kiepura 🌍 Poland, United States Jan Kiesser 🌍 Canada Jan Kirchhoff 🌍 Germany Jan Kjaerstad 🌍 Norway Jan Kodes 🌍 Czech Republic, Czechoslovakia Jan Kollar 🌍 Austrian Empire Jan Koller 🌍 Czechoslovakia, Czech Republic Jan Kott 🌍 Poland, United States Jan Koum 🌍 United States, Ukraine Jan Kromkamp 🌍 Kingdom of the Netherlands Jan Krzysztof Bielecki 🌍 Poland Jan Krzysztof Duda 🌍 Poland Jan Kubelik 🌍 Czechoslovakia, Protectorate of Bohemia and Moravia Jan Kubis 🌍 Czechoslovakia Jan Lastuvka 🌍 Czech Republic Jan Lechon 🌍 Russian Empire, Second Polish Republic Jan Lennard Struff 🌍 Germany Jan Lievens 🌍 Dutch Republic Jan Lisiecki 🌍 Canada, Poland Jan Lukasiewicz 🌍 Austria–Hungary, Second Polish Republic, Ireland Jan Magnussen 🌍 Kingdom of Denmark Jan Masaryk 🌍 Austria–Hungary, Czechoslovakia Jan Matejko 🌍 Free City of Kraków, Cisleithania Jan Matsys 🌍 Habsburg Netherlands Jan Michael Gambill 🌍 United States Jan Michael Vincent 🌍 United States Jan Molby 🌍 Kingdom of Denmark Jan Moravek 🌍 Czech Republic Jan Morris 🌍 United Kingdom Jan Mucha 🌍 Slovakia, Czechoslovakia Jan Narveson 🌍 Canada Jan Nemec 🌍 Czechoslovakia, Czech Republic Jan Neruda 🌍 Austrian Empire Jan Oblak 🌍 Slovenia Jan Olszewski 🌍 Poland Jan Oort 🌍 Kingdom of the Netherlands Jan Ove Waldner 🌍 Sweden Jan P Syse 🌍 Norway Jan Parandowski 🌍 Poland Jan Patocka 🌍 Czechoslovakia Jan Peerce 🌍 United States Jan Peter Balkenende 🌍 Kingdom of the Netherlands Jan Pieterszoon Coen 🌍 Dutch Republic Jan Pieterszoon Sweelinck 🌍 Dutch Republic Jan Pivarnik 🌍 Czechoslovakia Jan Polak 🌍 Czech Republic, Czechoslovakia Jan Popluhar 🌍 Czechoslovakia Jan Potocki 🌍 Polish–Lithuanian Commonwealth, Russian Empire Jan Rezek 🌍 Czech Republic Jan Rubes 🌍 Canada, Czechoslovakia Jan Saudek 🌍 Czech Republic, Czechoslovakia Jan Schakowsky 🌍 United States Jan Schlaudraff 🌍 Germany Jan Smeekens 🌍 Kingdom of the Netherlands Jan Smuts 🌍 Union of South Africa