'''Ján Jesenius''' alebo '''Ján Jessenius'''alebo''' ''' '''Johann Jessenius de Magna Jessen''' (profesor wittenbergicus, rektor) alebo '''Ján Jesenský''' alebo '''Ján/Jan z Jesenu''' (*[[1566]] [[Vroclav]], [[Habsburská monarchia]] – † [[21. jún]] [[1621]] [[Praha]], [[Habsburská monarchia]]) bol [[Slováci|slovenský]]<ref>http://books.google.cz/books?id=zS5RAQAAIAAJ&q=%22%5Dan+jesenius,+a+German-speaking+Slovak+nobleman%22&dq=%22%5Dan+jesenius,+a+German-speaking+Slovak+nobleman%22&hl=ro&sa=X&ei=dEMBUMaLIeLk4QS407i6CA&redir_esc=y Journal of the Royal College of Physicians of London</ref><ref>http://books.google.cz/books?id=gYa2AAAAIAAJ&q=%22+Slovak+teachers+who+taught+at+Czech+universities+in+the+15th+till+17th+centuries,+among+them+also+John+Jesenius%22&dq=%22+Slovak+teachers+who+taught+at+Czech+universities+in+the+15th+till+17th+centuries,+among+them+also+John+Jesenius%22&hl=ro&sa=X&ei=7TkBUIvEDYyVmQWvwvXqCQ&redir_esc=y Studia historica Slovaca</ref> [[lekár]], [[politik]], [[filozof]] a autor vedeckých spisov.
