Abu Muhammad al-Juwayni
| Abu Muhammad al-Juwayni أبو محمد الجويني | |
|---|---|
| Title | Rukn al-Din | 
| Personal life | |
| Born | Juwayn | 
| Died | 1046 CE/438 AH | 
| Era | Islamic golden age | 
| Region | Khorasan | 
| Main interest(s) | Islamic theology (kalam), Fiqh, Usul al-Fiqh, Hadith, Tafsir, Arabic grammar | 
| Religious life | |
| Religion | Islam | 
| Denomination | Sunni | 
| Jurisprudence | Shafi'i | 
| Creed | Ash'ari | 
| Muslim leader | |
| Influenced by | |
| Influenced | |
Al-Juwayni, `Abd Allah ibn Yusuf ibn `Abd Allah ibn Yusuf ibn Muhammad ibn Hayyuya, Rukn al-Din Abu Muhammad al-Ta'i al-Sinbisi al-Naysaburi al-Shafi`i al-Ash`ari, also known as Abu Muhammad al-Juwayni (Arabic: أبو محمد الجويني), was a Sunni scholar based in Khorasan. He was a leading jurist (faqih), legal theoretician (usuli), Arabic grammarian, (nahwi), Qu'ran exegete (mufassir) and a scholar of theology, man of letters, and Hadith. He was the father of the great Imam al-Haramayn al-Juwayni.