Rishon may refer to:
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Rishonim
''Rishonim'' (; he, ; sing. he, , ''Rishon'', "the first ones") were the leading rabbis and ''poskim'' who lived approximately during the 11th to 15th centuries, in the era before the writing of the ''Shulchan Aruch'' ( he, , "Set Table", a ...
, an era of Rabbis and Poskim
*
Rishon LeZion
Rishon LeZion ( he, רִאשׁוֹן לְצִיּוֹן , ''lit.'' First to Zion, Arabic: راشون لتسيون) is a city in Israel, located along the central Israeli coastal plain south of Tel Aviv. It is part of the Gush Dan metropolitan ar ...
, a city in Israel
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Rishon model, a preonic model of sub-quark particle physics.
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