Alwi bin Thahir al-Haddad (Arabic: علوي بن طاهر الحداد, romanized: ʻAlwī bin Ṭāhir al-Ḥaddād, Arabic pronunciation: [ʕlwieː bin tˤ:hir al-ħɐddɐd]; 14 Shawwal 1301 AH – 1382H or August 6, 1884 CE – November 14, 1962 CE) was an Islamic scholar known as the Mufti of Johor in twentieth century and also the co-founder of Jamiat Kheir and Al-Rabithah al-Alawiyyah foundations in Batavia during colonial Dutch East Indies.