| Jan Ingenhousz | Jan Ingenhousz |
| Jan Jesenius | Jan Jessenius |
| Jan Joosten van Lodensteijn | Jan Joosten |
| Jan Kalivoda | Jan Václav Kalivoda |
| Jan Kappeyne van de Coppello | Joannes Kappeyne van de Coppello |
| Jan Karol Chodkiewicz | Jan Karol Chodkiewicz |
| Jan Karski | Jan Karski |
| Jan Kasprowicz | Jan Kasprowicz |
| Jan Kochanowski | Jan Kochanowski |
| Jan Koller | Jan Koller |
| Jan Kotěra | Jan Kotěra |
| Jan Krzysztof Bielecki | Jan Bielecki |
| Jan Kubelík | Jan Kubelík |
| Jan Kulczyk | Jan Kulczyk |
| Jan Kupecký | Johann Kupetzky |
| Jan Křtitel Kuchař | Jan Křtitel Kuchař |
| Jan Ladislav Dussek | Jan Ladislav Dusík |
| Jan Lam | Jan Lam |
| Jan Laštůvka | Jan Laštůvka |
| Jan Leeghwater | Jan Adriaanszoon Leeghwater |
| Jan Lenica | Jan Lenica |
| Jan Lievens | Jan Lievens |
| Jan Louwers Stadion | Jan-Louwers-Stadion |
| Jan Luyken | Jan Luyken |
| Jan Mabuse | Jan Mabuse |
| Jan Magnussen | Jan Magnussen |
| Jan Marek Marci | Johannes Marcus Marci |
| Jan Marijnissen | Jan Marijnissen |
| Jan Matejko | Jan Matejko |
| Jan Matsys | Jan Massys |
| Jan Matthys | Jan Matthys |
| Jan Mayen | Jan Mayen |
| Jan Mikulicz-Radecki | Johann von Mikulicz |
| Jan Milíč | Johannes Milicius |
| Jan Neruda | Jan Neruda |
| Jan Niecisław Baudouin de Courtenay | Jan Ignacy Niecisław Baudouin de Courtenay |
| Jan Novák | Jan Novák |
| Jan Oort | Jan Hendrik Oort |
| Jan Očko z Vlašimi | Johann Očko von Wlašim |
| Jan Palach | Jan Palach |
| Jan Parandowski | Jan Parandowski |
| Jan Patočka | Jan Patočka |
| Jan Peter Balkenende | Jan Peter Balkenende |
| Jan Pieter Minckeleers | Johannes Petrus Minckeleers |
| Jan Pieter Schotte | Jan Schotte |
| Jan Pieterszoon Sweelinck | Jan Pieterszoon Sweelinck |
| Jan Polack | Jan Polack |
| Jan Potocki | Jan Potocki |
| Jan Poštulka | Jan Poštulka |
| Jan Puzyna de Kosielsko | Jan Puzyna de Kosielsko |
| Jan Roháč z Dubé | Jan Roháč z Dubé |
| Jan Roothaan | Joannes Philippus Roothaan |
| Jan Sanders van Hemessen | Jan van Hemessen |
| Jan Santini Aichel | Johann Blasius Santini-Aichl |
| Jan Skácel | Jan Skácel |
| Jan Smuts | Jan Christiaan Smuts |
| Jan Sobiepan Zamoyski | Jan Zamoyski |
| Jan Steen | Jan Steen |
| Jan Suchodolski | January Suchodolski |
| Jan Svatopluk Presl | Jan Svatopluk Presl |
| Jan Svěrák | Jan Svěrák |
| Jan Tarnowski | Jan Amor Tarnowski |
| Jan Theuninck | Jan Theuninck |
| Jan Tinbergen | Jan Tinbergen |
