Shaykh Abu al-Wafā Aḥmad ibn Muḥammad Ibn-ʿIjīl al-Yamanī alias al-ʿIjl (983-1074 AH) was a great scholar and a Sufi shaykh of the Naqshbandī Aḥrārī tarīqah. He was a deputy of Shaykh Tāj ad-Dīn Sambhalī ʿUthmānī (d.1051 AH) who was a deputy of Khwāja Muḥammad al-Bāqī Dahlawī (d.1012 AH).
He was born and raised in Yemen, where he first met his shaykh and made allegiance in the Sufi Path. Later, he accompanied his shaykh to Makkah where he further trained in the spiritual path and was appointed as a deputy.
He died in the night preceding 14 Shaʿbān 1074 AH in Yemen.