Sadr Madrasa
{{Infobox religious building
| building_name = Sadr Madrasa
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| map_type = Iran
| map_size = 275
| coordinates = {{coord|32.660556|51.676389|display=inline,title}}
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| province = Isfahan
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| municipality = Isfahan
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| architecture_type = Madrasa
| architecture_style = Isfahani
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Sadr Madrasa ({{langx|fa|مدرسه صدر}}) is one of the largest madrasas in Isfahan, Iran. It was built by Mohammad Hosseyn Khan Sadr Esfahani, the governor of Isfahan in the era of Fath-Ali Shah Qajar. Photography is prohibited in the school.{{cite book|title=Rāhnamā ye Safar be Ostān e Esfāhān(Travel Guide for the Province Isfahan)|publisher=Rouzane|isbn=964-334-218-2|author=Hosseyn Yaghoubi|editor=Arash Beheshti|page=111|language=Persian|year=1383}}